119 results found (923ms)
Airworthiness Directives; Various Airplanes, Helicopters, and Engines
Unsafe Condition: Multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to the turbocharger exhaust housing flange.
Why matched: Airworthiness Directives; Various Airplanes, Helicopters, and Engines
Airworthiness Directives; Various Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Unsafe Condition: An incorrectly installed main rotor blade box beam clip (clip) could result in a main rotor blade spar crack, loss of a main rotor blade, and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Airworthiness Directives; Bell Helicopter Textron Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) Helicopters
Unsafe Condition: Failure of the scissors assembly or weld assembly scissors bracket past its life limit could result in loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Helicopter Textron Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G- 3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Unsafe Condition: Failure of the stabilizer bar damper link assembly due to separation of the damper link if the damper link rod end bushing loosens and exits the damper link rod end.
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47-K Helicopters
Unsafe Condition: Inspect Tail Rotor Blade & Abrasion Strip
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47-K Helicopters
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 47G2, 47G2A, 47G2A1, 47G3, 47G3B1, 47G3B2, 47G3B2A, 47G4, 47G4A, 47G5, 47G5A, 47J, 47J2, and 47J2A Helicopters
Unsafe Condition: Failure of the main rotor (M/R) grip could result in loss of control of the helicopter.
Why matched: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 47G2, 47G2A, 47G2A1, 47G3, 47G3B1, 47G3B2, 47G3B2A, 47G4, 47G4A, 47G5, 47G5A, 47J, 47J2, and 47J2A Helicopters
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC., HAWKEYE ROTOR AND WING, TEXAS HELICOPTER CORPORATION Model 47B, 47B3, 47D, 47D1, 47E, 47G, 47H-1, 47G-3, and U.S. Army OH-13E Helicopters
Unsafe Condition: Failure of the tail rotor blade yoke P/N 74-641-057-9.
Why matched: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC., HAWKEYE ROTOR AND WING, TEXAS HELICOPTER CORPORATION Model 47B, 47B3, 47D, 47D1, 47E, 47G, 47H-1, 47G-3, and U.S. Army OH-13E Helicopters
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 47 Series Helicopters
Unsafe Condition: Failure of the tail rotor blade assemblies Part Number 47-642-117-1, Serial Numbers A-8 through A-72.
Why matched: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 47 Series Helicopters
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 47G-2A, G-2A-1, G-3, G-3B, G-3B-1, G-3B-2, G-3B-2A, G-4, G-4A, G-5, G-5A, J, J-2, J-2A, and K Helicopters
Unsafe Condition: Incorrect AN/NAS standard bolts installed between hydraulic servo and swashplate control plate, Part Number 47-150-184-7, not listed in the applicable illustrated parts breakdown manual may cause c...
Why matched: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 47G-2A, G-2A-1, G-3, G-3B, G-3B-1, G-3B-2, G-3B-2A, G-4, G-4A, G-5, G-5A, J, J-2, J-2A, and K Helicopters
Airworthiness Directives; BENDIX: Applies to Bendix Starting Vibrator Assemblies, Part Numbers 10-176485-121, -122, -241, -242; 10-382780-12, -24
Unsafe Condition: Loss of ignition due to grounding of both 'P' (Primary) leads within the starting vibrator.
Why matched: Airworthiness Directives; BENDIX: Applies to Bendix Starting Vibrator Assemblies, Part Numbers 10-176485-121, -122, -241, -242; 10-382780-12, -24
Airworthiness Directives; BELL Model 47 and Military Model H-13, OH-13, and TH13T Series Helicopters
Unsafe Condition: Failure of tail rotor blades, P/N 47-642-102, due to fatigue cracks.
Why matched: Airworthiness Directives; BELL Model 47 and Military Model H-13, OH-13, and TH13T Series Helicopters
Airworthiness Directives; BELL Model 47 and Military OH-13 Series Helicopters
Unsafe Condition: Failure of the tail rotor drive assembly bearing could lead to possible loss of directional control.
Why matched: Airworthiness Directives; BELL Model 47 and Military OH-13 Series Helicopters
Airworthiness Directives; BELL Model 47, H-13, OH-13, and TH-13T Series Helicopters
Unsafe Condition: Tail rotor pitch link failure could result in loss of directional control.
Why matched: Airworthiness Directives; BELL Model 47, H-13, OH-13, and TH-13T Series Helicopters
Airworthiness Directives; SOLOY CONVERSIONS, LTD: Applies to Hiller UH-12D, UH-12E (including 4 place) and Bell 47G series Helicopters Certificated in all Categories which have been Converted to Turbine Power under Soloy Conversions, Ltd. Supplemental Type Certificates SH177WE, SH178WE and SH657NW
Unsafe Condition: Failure of Soloy transmission oil lubrication jets which may result in complete transmission failure and possible loss of the aircraft
Why matched: Airworthiness Directives; SOLOY CONVERSIONS, LTD: Applies to Hiller UH-12D, UH-12E (including 4 place) and Bell 47G series Helicopters Certificated in all Categories which have been Converted to Turbine Power under Soloy Conversions, Ltd. Supplemental Type Certificates SH177WE, SH178WE and SH657NW
Airworthiness Directives; Bell 47G Series Helicopters
Unsafe Condition: Non-magnetic stainless steel rod ends (NMB Inc. P/N AH FTL5 or Soloy P/N 100-2205-2B) may fail due to fatigue cracking, posing a risk of engine separation.
Why matched: Airworthiness Directives; Bell 47G Series Helicopters
Airworthiness Directives; Bell Model 47 Series Helicopters
Unsafe Condition: Failure of the hopper upper support bracket (P/N B630224) due to cracks and/or deformation.
Why matched: Airworthiness Directives; Bell Model 47 Series Helicopters
Airworthiness Directives; Bell Model 47 Helicopters
Unsafe Condition: Failure of the bearing, part number 47-620-629-3 or 47-620-629-5, or failure of the input pinion shaft, part number 47-645-205-3, located in the tail rotor gear box, part number 47-640-075-1 or 47-...
Why matched: Airworthiness Directives; Bell Model 47 Helicopters
Airworthiness Directives; Bell Model 47K Helicopters
Unsafe Condition: Fatigue cracking of the tubular spar of the synchronized elevator at the rollpin hole and cracks in the inboard rib could lead to elevator separation from the helicopter.
Why matched: Airworthiness Directives; Bell Model 47K Helicopters
Airworthiness Directives; Bell Model 47 Series Helicopters
Unsafe Condition: Failure of tail rotor blades due to fatigue cracks in the tail rotor grips between Blade Station 2.7 and 3.7, tail rotor blade trailing edge between Blade Station 5.0 and 8.0, and areas surrounding...
Why matched: Airworthiness Directives; Bell Model 47 Series Helicopters
Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47E, 47G, 47G-2, and 47H-1 Helicopters
Unsafe Condition: Fatigue failure of the tail rotor yoke, Part Number 47-641-057-9, with specified serial numbers (SR29-50501 through SR29-50507, SR-29-50509 through SR29-50528, SR29-50530 through SR29-50533, SR29-5...
Why matched: Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47E, 47G, 47G-2, and 47H-1 Helicopters
Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, and 47H-1 Helicopters
Unsafe Condition: Fatigue failure of tail rotor hub bolt, Part Numbers 47-641-052-3 or -5.
Why matched: Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, and 47H-1 Helicopters
Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47E, 47G, 47G-2, and 47H-1 Helicopters
Unsafe Condition: Failure of the tail rotor pitch control ball bearing due to inadequate lubrication.
Why matched: Airworthiness Directives; Bell Models 47B, 47B-3, 47D, 47D-1, 47E, 47G, 47G-2, and 47H-1 Helicopters
Airworthiness Directives; Bell Model 47 Series Helicopters
Unsafe Condition: Failure of the stabilizer bar tube assembly and loss of the stabilizer bar tube and weight due to looseness or cracks in the tube assembly.
Why matched: Airworthiness Directives; Bell Model 47 Series Helicopters
Airworthiness Directives; Bell Model 47 Series Helicopters
Unsafe Condition: Corrosion in the cyclic and collective main rotor control tube assemblies installed within a 30 degree angle of the vertical axis could lead to failure of the control tube assemblies.
Why matched: Airworthiness Directives; Bell Model 47 Series Helicopters