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87-12-01: 87-12-01 MCDONNELL DOUGLAS: Amendment 39-5636. Applies to McDonnell Douglas Model DC-9-81, -82, -83 (MD-81, -82, -83) series airplanes, Fuselage Numbers 909 through 1350, certificated in any category. Compliance required as indicated unless previously accomplished. \n\n\tTo ensure the integrity of the main landing gear upper torque link attach bolts, P/N 3935363, accomplish the following: \n\n\tA.\tWithin 7 days after the effective date of this AD, in accordance with the Accomplishment Instructions of Douglas Aircraft Alert Service Bulletin A32-220, dated April 20, 1987, or later FAA-approved revision, perform a visual inspection to verify the installation of the left and right main landing gear upper torque arm attach bolt, washer, and nut. If a bolt is missing, prior to further flight replace with a new or serviceable bolt, washer, and nut. If the original bolt, washer, and nut are present, repeat visual inspections of the original bolt, washer, and nut at intervals not to exceed 7 days until the requirements of paragraph B. or C., below, are accomplished. \n\n\tB.\tWithin 90 days after the effective date of this AD, in accordance with the Accomplishment Instructions of Douglas Aircraft Alert Service Bulletin A32-220, dated April 20, 1987, or later FAA-approved revision, perform an ultrasonic inspection of the attach bolt for defects. If no defects are found, loosen and retighten the original nut to a torque of 80 to 100 foot-pounds. Repeat the ultrasonic inspections at intervals not to exceed 180 days until the requirements of paragraph C., below, are accomplished. If a defect is found, prior to further flight replace with a new or serviceable bolt, washer, and nut. \n\n\tC.\tAccomplishment of the magnetic particle inspection of the bolt in accordance with the Accomplishment Instructions of Douglas Aircraft Alert Service Bulletin A32-220, dated April 20, 1987, or later FAA-approved revision, constitutes terminating action for the repetitive inspections required by paragraphs A. and B., above, if no defects are found as a result of the magnetic particle inspection. If a defect is found, prior to further flight replace with a new or serviceable bolt, washer, and nut. \n\n\tD.\tInstallation of new or serviceable bolt, washer, and nut in accordance with the Accomplishment Instructions of Douglas Aircraft Alert Service Bulletin A32-220, dated April 20, 1987, or later FAA-approved revision, constitutes terminating action for the repetitive inspections required by this AD. \n\n\tE.\tAlternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region. \n\n\tF.\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. \n\n\tAll persons affected by this directive who have not already received the appropriate service information fromthe manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director, Publications and Training, C1-750 (54-60). This information may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California. \n\n\tThis amendment becomes effective June 22, 1987.
2011-17-05: We are superseding an existing airworthiness directive (AD) that applies to the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: * * * [C]racks * * * in sections 13 to 18 of the fuselage between rivets of longitudinal lap joints between frames 18 and 80 which could affect the structural integrity of the fuselage if not corrected. * * * * * We are issuing this AD to require actions to correct the unsafe condition on these products.
97-03-01: This amendment adopts a new airworthiness directive (AD) that applies to certain Raytheon Aircraft Company (Raytheon) Model 1900D airplanes (formerly referred to as Beech Model 1900D airplanes). This action requires replacing the right-hand exhaust stack for both the left and right engines. This action results from reports of wing skin damage (with associated fuel seepage) and cabin window damage caused by the heat of the right-hand exhaust stacks on the affected airplanes. The actions specified by this AD are intended to prevent wing skin de-bonding or warping of the cabin windows because of the heat generated by the engines' right-hand exhaust stacks.
92-16-10: 92-16-10 BOEING: Amendment 39-8319. Docket No. 91-NM-143-AD. \n\n\tApplicability: Model 767 airplanes, as listed in Boeing Alert Service Bulletin 767-29A0064, Revision 1, dated October 24, 1991, certificated in any category. \n\n\tCompliance: Required as indicated, unless accomplished previously. \n\n\tTo prevent hydraulic fluid from entering the cabin, accomplish the following: \n\n\t(a)\tWithin 3,000 flight hours after the effective date of this AD, inspect the inboard leading edge slat power drive unit hydraulic pressure tube for clearance from the adjacent pneumatic duct and for signs of chafing, in accordance with Boeing Alert Service Bulletin 767-29A0064, Revision 1, dated October 24, 1991: \n\n\t\t(1)\tIf the clearance is more than 0.25 inch and there are no signs of chafing, no further action is necessary. \n\n\t\t(2)\tIf the clearance is 0.25 inch or less, or if signs of chafing are found on the hydraulic tube, prior to further flight, replace both the hydraulic pressure tube andthe hydraulic return tube, in accordance with the service bulletin. \n\n\t\t(3)\tIf chafing is found on the pneumatic duct, prior to further flight, repair the pneumatic duct in accordance with the service bulletin.\n\n\t(b)\tFor airplanes on which the hydraulic pressure tube has been replaced in accordance with Boeing Alert Service Bulletin 767-29A0064 (original issue), dated June 13, 1991: Within 4,000 flight hours after the effective date of this AD, replace the hydraulic return tube in accordance with Paragraph III.D. of Boeing Alert Service Bulletin 767-29A0064, Revision 1, dated October 24, 1991. \n\n\t(c)\tAn alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Seattle ACO. \n\n\tNOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. \n\n\t(d)\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. \n\n\t(e)\tThe inspection, repairs, and replacement shall be done in accordance with Boeing Alert Service Bulletin 767-29A0064, Revision 1, dated October 24, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC. \n\n\t(f)\tThis amendment becomes effective on September 28, 1992.
90-17-08: 90-17-08 BOEING: Amendment 39-6692. Docket No. 90-NM-30-AD. \n\n\tApplicability: Model 767 series airplanes as listed in Boeing Service Bulletin 767- 30A0011, Revision 2, dated September 28, 1989, certificated in any category. \n\n\tCompliance: Required as indicated, unless previously accomplished. \n\n\tTo ensure the integrity of the wing and engine anti-ice system, accomplish the following: \n\n\tA.\tWithin the next 300 hours time-in-service after July 21, 1988 (the effective date of Amendment 39-5970), and thereafter at intervals not to exceed 300 hours time-in-service, perform the wing and engine thermal anti-ice operational test described in Boeing Service Bulletin 767-30A0011, Revision 2, dated September 28, 1989. \n\n\tNOTE: This is the same as the operational test required by AD 88-04-04 R1.\n \n\tB.\tAny switch or circuit malfunction, identified by a negative verification during the functional test required by paragraph A., above, must be corrected prior to further flight, inaccordance with the Boeing Model 767 Maintenance Manual or Boeing Service Bulletin 767- 30A0011, Revision 2, dated September 28, 1989. \n\n\tC.\tWithin the next 6,000 hours time-in-service after the effective date of this AD, modify the thermal anti-ice system in accordance with Boeing Service Bulletin 767-30A0011, Revision 2, dated September 28, 1989. This constitutes terminating action for repetitive operational testing required by paragraph A., above. \n\n\tD.\tAn alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. \n\n\tNOTE: The request should be submitted directly to the Manager, Seattle ACO, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Seattle ACO. \n\n\tE.\tSpecial flight permits may be issued in accordance with FAR 21.197 and21.199 to operate airplanes to a base in order to comply with the requirements of this AD. \n\n\tAll persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton, Washington. \n\n\tThis AD supersedes AD 88-04-04 R1, Amendment 39-5970. \n\tThis amendment (39-6692, AD 90-17-08) becomes effective on September 17, 1990.
2011-21-10: We are adopting a new airworthiness directive (AD) for Diamond Aircraft Industries GmbH Model (Diamond) DA 40 airplanes equipped with cabin air conditioning vapor cycle system (VCS) installed per STC SA03674AT held by Premier Aircraft Services (originally held by DER Services, Inc.) following DER Services Master Document List MDL-2006- 020-1, Revision C, dated February 3, 2009; Revision D, dated April 22, 2009; Revision E, dated May 12, 2010; or Revision F, dated July 6, 2010. This AD was prompted by reports of damage around the VCS compressor mounting areas found during maintenance inspections. This AD requires deactivation of the VCS, removal of the compressor and bracket, and revision to the airplane weight and balance. We are issuing this AD to correct the unsafe condition on these products.
97-02-10: This amendment adopts a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC-9, DC-9-80, and C-9 (military) series airplanes, Model MD- 88 airplanes, and Model MD-90 airplanes. This action requires a visual check to determine the part and serial numbers of the upper lock link assembly of the nose landing gear (NLG); repetitive inspections of certain upper lock link assemblies to detect fatigue cracking; and modification of the NLG. This action also provides for terminating action for the repetitive inspections. This amendment is prompted by a report indicating that, due to fatigue cracking, the upper lock link assembly on an airplane fractured, and consequently prevented the NLG from extending fully. The actions specified in this AD are intended to prevent this assembly from fracturing due to fatigue cracking, and the NLG consequently failing to extend fully; this condition could result in injury to passengers and flight crew, and damage to the airplane.
97-01-12: This amendment adopts a new airworthiness directive (AD), applicable to all Airtell International, Inc., Centaurus Model C3-100 GPWS equipment that is installed on any type of airplane, that requires replacement of this equipment with a similar type of equipment that meets specific performance requirements. This amendment is prompted by results of an investigation, which revealed that, under certain circumstances, the Centaurus GPWS equipment does not provide the flight crew with aural warnings to indicate that the airplane is descending. The actions specified by this AD are intended to prevent failure of the GPWS equipment to provide such aural warnings. If the flight crew relies on receiving such warnings and the GPWS equipment fails to provide those warnings, the ability of the flight crew to prevent the airplane from impacting the ground may be inhibited.
2009-13-06 R1: We are revising an existing airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-23, PA-23-160, PA-23-235, PA-23- 250, PA-23-250 (Navy UO-1), PA-E23-250, PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31P, PA-31P-350, PA-31T, PA-31T1, PA-31T2, PA-31T3, PA- 42, PA-42-720, and PA-42-1000 airplanes that are equipped with a baggage door in the fuselage nose section (a nose baggage door). That AD currently establishes life limits and replacement requirements for safety-critical nose baggage door components and repetitive inspections and lubrication of the nose baggage door latching mechanism and lock assembly. This new AD removes the requirement for the nose baggage door compartment interior light inspection and retains the other requirements from AD 2009-13-06, Amendment 39-15944. This AD was prompted by further investigation and a request for an alternative method of compliance (AMOC). We are issuing this AD to correct the unsafe condition on these products.
85-16-01: 85-16-01 BOEING: Amendment 39-5114. Applies to Boeing Model 767 series airplanes certificated in any category. Compliance is required as indicated, unless already accomplished. \n\n\tTo preclude failure of the Pneumatic System Pressure Regulating and Shutoff Valve (PRSOV), and to assure its integrity when commanded closed by a crew procedure, accomplish either paragraph A. or B., below, (1) within the next 200 hours time-in-service on the PRSOV, or prior to the accumulation of 1500 hours time-in-service on the PRSOV, whichever occurs later, on airplanes equipped with General Electric CF6-80 series engines, or (2) within the next 500 hours time-in-service on the PRSOV, or prior to accumulation of 3000 hours time-in-service on the PRSOV, whichever occurs later, on airplanes equipped with Pratt & Whitney JT9D series engines: \n\n\tA.\tReplace the PRSOV, Hamilton Standard P/N 773288, with a serviceable valve. Repeat this procedure for replacement valves not modified in accordance with paragraph B. below, (1) prior to the accumulation of 1500 hours time-in-service on the valve, on airplanes equipped with General Electric CF6-80 series engines, or (2) prior to the accumulation of 3000 hours time-in-service on the valve, on airplanes equipped with Pratt & Whitney JT9D series engines. \n\n\tB.\tAccomplish PRSOV modification in accordance with Hamilton Standard Service Bulletin 36-2030, dated March 8, 1985, or later FAA-approved revisions. Valves modified in accordance with this bulletin are not subject to a repetitive replacement, and constitute terminating action for this AD. \n\n\tNOTE: In the event an operator is unable to establish the accumulated hours time-in- service on a given PRSOV installed on an airplane, the total hours accumulated on the airplane must be used in the determination of replacement or modification times for the PRSOV. \n\n\tC.\tAlternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, SeattleAircraft Certification Office, FAA, Northwest Mountain Region. \n\n\tD.\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. \n\n\tAll persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124, or to Hamilton Standard, Bradley Field Road, Windsor Locks, Connecticut 06096. These documents also may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or 9010 East Marginal Way South, Seattle, Washington. \n\n\tThis amendment becomes effective August 19, 1985.