Results
2003-08-05: This amendment adopts a new airworthiness directive (AD) for the specified Eurocopter France (Eurocopter) model helicopters that requires inspecting the ASU No. 2 printed circuit board (PCB) to determine if the resistor R8 is installed, and if it is not installed, replacing the PCB with an airworthy PCB with that resistor installed. This amendment is prompted by the discovery of a PCB without a critical resistor that polarizes the voltage regulator that regulates electrical power to a critical warning light, a critical caution light, and the main rotor revolutions per minute (RPM) signal to the vehicle engine management display (VEMD). The actions specified by this AD are intended to prevent the malfunction of the two critical lights and the rotor RPM signal to the VEMD, failure of these components to timely alert the pilot to the associated malfunctions, further helicopter damage because of these malfunctions, and subsequent loss of control of the helicopter.
96-14-08: This amendment adopts a new airworthiness directive (AD), applicable to certain Fokker Model F28 Mark 0100 series airplanes. This action requires modification of the radio altimeter wiring circuitry associated with the Automatic Flight Control Augmentation System (AFCAS). This amendment is prompted by a report indicating that the AFCAS does not properly monitor the radio altimeter status during automatic landing operations. The actions specified in this AD are intended to prevent erroneous indications and failure of the AFCAS to properly align, flare, and retard the airplane during automatic landing operations if a single radio altimeter were to fail.
2003-07-11: This amendment supersedes an existing airworthiness directive (AD), that is applicable to Rolls-Royce Deutschland Ltd & Co KG (RRD) (formerly Rolls-Royce Deutschland GmbH, formerly BMW Rolls-Royce GmbH) models BR700-710A1-10 turbofan engines with fan disc part numbers (P/ Ns) BRR18803, BRR19248, or BRR20791 installed, and BR700-710A2-20 turbofan engines with fan discs P/Ns BRR19248 or BRR20791 installed. That AD currently requires initial and repetitive inspections of these fan discs for cracks, and if necessary replacement with serviceable parts. This amendment requires the same inspections but with longer intervals between repetitive inspections under certain conditions, and requires removal of any dry film lubricant coating from the front face of the fan disc for visual inspections. This amendment is prompted by reevaluation by RRD of results from a fleet-wide inspection campaign, reevaluation of existing repetitive inspection interval requirements, and by a revised servicebulletin (SB) that introduces improved inspection procedures. The actions specified by this AD are intended to detect cracks in the fan disc, that could result in an uncontained engine failure and damage to the airplane.
2012-04-02: We are adopting a new airworthiness directive (AD) for all Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes; Model CL-600-2D15 (Regional Jet Series 705) airplanes; and Model CL-600-2D24 (Regional Jet Series 900) airplanes. This AD was prompted by reports of aileron control stiffness. This AD requires revising the maintenance program to incorporate the discard task for outboard wing aileron pulleys. We are issuing this AD to prevent aileron control stiffness during flight, which could result in reduced controllability of the airplane.
98-17-02: This amendment adopts a new airworthiness directive (AD) that applies to certain Alexander Schleicher Segelflugzeugbau (Alexander Schleicher) Model ASW-19 sailplanes. This AD requires inspecting the tow release cable guide fittings for the correct mounting, and, if the fittings are mounted in the front of the bulkhead, moving the fitting to the rear of the bulkhead and adjusting the neutral travel of the cable. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The actions specified by this AD are intended to prevent premature release of the tow cable during take-off, which could result in loss of the sailplane.
98-16-16: This amendment adopts a new airworthiness directive (AD) that applies to certain Pilatus Aircraft Ltd. Model PC-7 airplanes. This AD requires replacing the seal unit on both main landing gear (MLG) legs and the nose landing gear (NLG) leg. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Switzerland. The actions specified by this AD are intended to prevent MLG or NLG failure caused by deterioration of a MLG or NLG leg seal unit, which could result in damage to the airplane or airplane control problems during takeoff, landing, or taxi operations.
2012-02-17: We are adopting a new airworthiness directive (AD) for all Model 757 airplanes. This AD was prompted reports that several operators have found cracking in the front spar lower chord at the fastener locations common to the side link support fitting at wing station (WS) 292. This AD requires repetitive inspections for corrosion and cracking in this area, and corrective actions if necessary. We are issuing this AD to detect and correct such corrosion and cracking, which, if not corrected, could grow and result in structural failure of the spar.
61-22-07: 61-22-07 MOONEY: Amdt. 359 Part 507 Federal Register November 2, 1961. Applies to the M-20, M-20A, and M-20B Aircraft, Serial Numbers 1001 Through 1875. Compliance required within 25 hours' time in service after the effective date of this AD unless already accomplished. To prevent failures of the fuel and oil pressure gage lines in the accessory compartment, the following replacement is required: Replace the copper fuel and oil pressure gage lines from the firewall to the engine pickup location with flexible hose in accordance with Mooney Service Letter 20-82A or replace with other FAA approved equivalent lines or fittings. (Mooney Service Letter 20-82A covers this same subject.) This directive effective November 2, 1961.
2003-07-14: This amendment adopts a new airworthiness directive (AD), applicable to a single McDonnell Douglas Model DC-10-30 airplane, that requires repetitive tests for electrical continuity and resistance and repetitive inspections to detect discrepancies of the fuel boost/ transfer pump connectors; and corrective actions, if necessary. This action is necessary to prevent arcing of connectors in the fuel boost/ transfer pump circuit, which could result in a fire or explosion of the fuel tank. This action is intended to address the identified unsafe condition.
80-18-08: 80-18-08 JET ELECTRONICS AND TECHNOLOGY, INC.: Amendment 39-3893. Applies to all Model PS-823( ) series Emergency Power Supplies, normally used as power supply for standby attitude indicators. Compliance is required as indicated unless already accomplished. To prevent loss of emergency electrical power and possible corrosive or thermal damage to the aircraft accomplish the following: Within the next 100 flight hours or six months time from the effective date of this AD, determine if compliance has already been accomplished by observing the modification decal on the front of the unit. If the modification number listed below has been marked off, no further action is required. JET Part No. Model Modification No. 501-1075-01 PS-823A 18 501-1075-02 PS-823B 17 501-1075-03 PS-823C 15 501-1075-04 PS-823D 14 501-1075-05 PS-823A/T 21 501-1075-06 PS-823B/T 19 501-1075-07 PS-823C/T 17 501-1075-08 PS-823D/T 16 If the applicable modificationnumber has not been marked off, install modifications in accordance with J.E.T. Service Bulletin SB501-1075-16E, dated February 28, 1979. Modifications must be made by an FAA Certified Repair Station, an FAA approve repair facility, or J.E.T. Upon submission of substantiating data, through an FAA Aviation Safety Inspector, the Chief, Engineering and Manufacturing Branch, FAA Great Lakes Region, may approved an adjustment to compliance time or an equivalent means of compliance. This amendment becomes effective August 28, 1980.