79-05-10
final ruleCURTISS-WRIGHT C-46 Series Aircraft
Unsafe Condition: Engine fire entering the wheel well area through the nacelle ram air scoop(s).
Why matched: CURTISS-WRIGHT C-46 Series Aircraft
41 ADs indexed for Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation aircraft.
CURTISS-WRIGHT C-46 Series Aircraft
Unsafe Condition: Engine fire entering the wheel well area through the nacelle ram air scoop(s).
Why matched: CURTISS-WRIGHT C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Series Airplanes
Unsafe Condition: Failures of the main landing gear axle elbows, Part Number 8107-63L and 8107-63R, due to cracks.
Why matched: CURTISS-WRIGHT Model C-46 Series Airplanes
CURTISS-WRIGHT Model C-46 Series Airplanes
Unsafe Condition: Failure of the main landing gear drag struts due to cracks in the weld area between the lower end fittings (P/N 20-310-1018-2) and the drag strut tubes (P/N's 20-310-1017-7 and -8).
Why matched: CURTISS-WRIGHT Model C-46 Series Airplanes
CURTISS-WRIGHT Model C-46 Airplanes
Unsafe Condition: Failure of the main hydraulic accumulator, Vickers P/N AA-14008, due to cracks in the rim mating threads.
Why matched: CURTISS-WRIGHT Model C-46 Airplanes
CURTISS-WRIGHT Model C-46 Series Airplanes
Unsafe Condition: Erroneous indication by the landing gear position warning light that the landing gear is down and locked.
Why matched: CURTISS-WRIGHT Model C-46 Series Airplanes
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Failure of the rudder spring tab rod terminal can cause free flutter of the rudder spring tab and oscillation of the rudder, leading to loss of control of the aircraft.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Models C-46A, D. E. F. and R; C-46/CW20T; Super C-46/CW20T; Super 46; and Super 46C Aircraft
Unsafe Condition: Fatigue failures in outer wing panel attachment bolts.
Why matched: CURTISS-WRIGHT Models C-46A, D. E. F. and R; C-46/CW20T; Super C-46/CW20T; Super 46; and Super 46C Aircraft
Airworthiness Directives; CURTISS-WRIGHT C-46 Series aircraft.
Unsafe Condition: Unapproved inspection openings approximately 3 inches by 5 inches in the wing rear spar web at the inboard flap actuator.
Why matched: Airworthiness Directives; CURTISS-WRIGHT C-46 Series aircraft.
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Cracks, loose rivets, worn bolts, and degraded bearings in aileron, rudder, and elevator hinge fittings and adjacent structure could lead to loss of control.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Cracks or breaks in the tail wheel retract yoke (P/N 20-360-1058-2) due to insufficient radius at the base (less than 0.120 inch) leading to potential failure.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C46 Aircraft
Unsafe Condition: The auxiliary hydraulic pump is unsatisfactory for use in compliance with the minimum gear retraction time.
Why matched: CURTISS-WRIGHT Model C46 Aircraft
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Cracks or damage to the tail wheel shimmy damper support (P/N 20-360-3108-4) and non-compliant tail wheel locks (P/N 20-360-1033) may lead to failure, compromising aircraft stability and control.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Models of C-46 Series Airplanes
Unsafe Condition: The adequacy of powerplant fire protection installations in Curtiss-Wright C-46 series airplanes used in passenger operations is questionable, with potential fire hazards from fluid leaks, inadequa...
Why matched: CURTISS-WRIGHT Models of C-46 Series Airplanes
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Repeated service failures of H-3-38-M1 wheel assemblies (Hayes and/or Goodrich Model No. 1900M) due to cracks in the demountable flange area of lightening holes and corrosion in the lock ring groov...
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Fatigue cracks occurring in the radius of the O ring groove of the Landing Gear Retraction Cylinder Heads (Curtiss-Wright P/N S20-313-3044) leading to failures.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Aircraft
Unsafe Condition: Splitting and tearing of the neoprene carburetor adapter gasket (P/N S20-480-1101-2) can block the carburetor air passage, resulting in abrupt engine cutout.
Why matched: CURTISS-WRIGHT Model C-46 Aircraft
Airworthiness Directives; CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: The aileron closure rib assembly 20-030-5039 has failed on some aircraft by cracking at the point of attachment to gusset and adjacent to the bolts which secure the aileron hinge assembly.
Why matched: Airworthiness Directives; CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: The main passenger cabin door locking means lacks both internal and external handles, preventing emergency opening from either side.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT Model C-46 Series Aircraft
Unsafe Condition: Loose rivets (5/32-A17ST modified brazier head) in the lower surface of the wing center section between Stations 82.5 and 107.5 near the front and rear spars.
Why matched: CURTISS-WRIGHT Model C-46 Series Aircraft
CURTISS-WRIGHT AND MARTIN Model C-46 Series
Unsafe Condition: Engine cylinder failures, specifically from studs loosening or breaking, dislodged cylinders severing the propeller hydraulic feathering line, leading to inability to feather the propeller and incr...
Why matched: CURTISS-WRIGHT AND MARTIN Model C-46 Series