Search FAA Documents

455 results found (2913ms)

Sort by: Date AD Number

2024-01-02

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: certain aft fuselage sloping longerons may have been exposed to excessively hot forming temperatures for excessive amounts of time, which will reduce the mechanical properties of the longerons and ...

Effective: Jan 24, 2024 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2023-22-06 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking of a single engine truss mount upper lug reduces the static strength of an engine mount to limit load, while cracking of both lugs can lead to separation of the engine, catastrophi...

Effective: Nov 21, 2023 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2023-11-10

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Aft fuselage sloping longerons manufactured with an overaged condition (understrength) due to improper conductivity and hardness checks during manufacturing, leading to reduced material strength pr...

Effective: Jul 11, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2023-09-13 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Cracked inner tangs of the center wing lower rainbow fittings could result in failure of the center wing lower rainbow fittings, wing separation, and loss of the airplane.

Effective: May 31, 2023 Category: aircraft Compliance: Within 30 days or before further flight, whichever occurs first.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2023-10-02

final rule

Airworthiness Directives; Transport and Commuter Category Airplanes

Unsafe Condition: Radio altimeter anomalies that are undetected by the automation or pilot, particularly close to the ground (e.g., landing flare), could lead to loss of continued safe flight and landing. Additional...

Effective: May 26, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Transport and Commuter Category Airplanes

2021-09-15

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Loose fasteners in the wing station 220 wing joint at the front beam web can cause internal load redistribution, and consequent cracked center wing upper and lower corner fittings and failed fasten...

Effective: Jun 1, 2021 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2019-25-20 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: fatigue cracks in the actuator cylinder of the elevator booster assembly, which could lead to a significant reduction in controllability of the airplane.

Effective: Feb 28, 2020 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2019-18-09

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Cracked inner tangs of the center wing lower rainbow fittings could result in failure of the center wing lower rainbow fittings, wing separation, and loss of the airplane.

Effective: Oct 11, 2019 Category: aircraft Compliance: Within 30 days after the effective date of this AD.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2018-11-02

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company

Unsafe Condition: Aileron control rod assemblies, which contain the discrepant part, do not provide adequate load carrying capabilities due to the missing 7/8-inch internal threads in the bore of the aileron control...

Effective: May 23, 2018 Category: aircraft Compliance: Within 3 days after the effective date of the AD

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2015-22-11 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking of the lower surface of the center wing box (CWB), which could result in structural failure of the wings.

Effective: Dec 28, 2015 Category: aircraft Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2015-22-07

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: The circumferential fuselage splice at fuselage-station (FS) 695 is subject to widespread fatigue damage (WFD), which could lead to loss of residual strength and rapid decompression of the cabin.

Effective: Dec 10, 2015 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2015-20-01 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: The left and right lower surface panels of the wings are subject to widespread fatigue damage (WFD), which could result in reduced structural integrity of the airplane.

Effective: Nov 13, 2015 Category: aircraft Compliance: Within the compliance times specified in the AD (not fully detailed in the provided text).

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2015-20-05

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: The upper and lower wing skin planks at the attachment of the main landing gear (MLG) ribs at certain wing-stations are subject to widespread fatigue damage.

Effective: Nov 6, 2015 Category: aircraft Compliance: Within the compliance times specified in the referenced service bulletin (Lockheed Martin Electra...

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

2015-18-02

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Widespread fatigue damage (WFD) in the center wing box (CWB) and outer wings, leading to fatigue cracking of the outer wings and the lower surface of the CWB, which could result in reduced structur...

Effective: Sep 17, 2015 Category: aircraft Compliance: Within 30 days or 50 flight hours for CWBs with 50,000+ total flight hours; grace periods are sho...

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2015-11-02 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Simultaneous failure of multiple stringer end fittings through fatigue cracking at the aft pressure bulkhead, which could lead to rapid decompression of the airplane.

Effective: Jul 14, 2015 Category: aircraft Compliance: Within 50 flight hours after the effective date of the AD.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2015-06-08 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking of the upper and lower rainbow fittings on the center wings, which could grow large and lead to the failure of the fitting and a catastrophic failure of the center wing.

Effective: May 14, 2015 Category: aircraft Compliance: Within the compliance times specified in the AD, unless already done.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2015-05-08 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Upper and lower rainbow fittings on the outer wing are subject to widespread fatigue damage (WFD), leading to fatigue cracking of the fittings and skin-panel-to-fitting fastener holes, which could ...

Effective: Apr 24, 2015 Category: aircraft Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2014-20-08 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Cracked rib cap castellations, which could degrade the structural capabilities of the airplane.

Effective: Nov 7, 2014 Category: aircraft Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2014-17-02 EMERGENCY

emergency

Airworthiness Directives; Honeywell ASCa Inc. Emergency Locator Transmitters Installed on Various Transport Category Airplanes

Unsafe Condition: Discrepancies of the battery wiring installation inside the ELT transmitter unit (TU), which could result in an electrical short and possible ignition source.

Effective: Sep 9, 2014 Category: aircraft Compliance: Within the compliance time specified in paragraph (g) of this AD.

Why matched: Airworthiness Directives; Honeywell ASCa Inc. Emergency Locator Transmitters Installed on Various Transport Category Airplanes

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

2014-11-06

final rule

Airworthiness Directives; Airplanes Originally Manufactured by Lockheed for the Military as Model P-3A and P3A Airplanes

Unsafe Condition: Fatigue cracking of the airplane, which could result in reduced structural integrity.

Effective: Jul 8, 2014 Category: aircraft Compliance: Within 12 months after the effective date of this AD.

Why matched: Airworthiness Directives; Airplanes Originally Manufactured by Lockheed for the Military as Model P-3A and P3A Airplanes

2013-15-18 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Reports of small cracks in additional areas outside those addressed in AD 2005-15-01, prior to the inspection threshold required by AD 2005-15-01. Corrosion or fatigue cracking of certain structura...

Effective: Oct 1, 2013 Category: aircraft Compliance: Within the compliance times specified in the AD, unless already done.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2012-06-09 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking and corrosion in transport category airplanes that are approaching or have exceeded their design service objective.

Effective: May 15, 2012 Category: aircraft Compliance: Within 12 months of effective date (May 15, 2012).

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2012-05-06

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking that could compromise the structural integrity of the airplanes.

Effective: May 10, 2012 Category: aircraft Compliance: Within 50 flight hours after the effective date.

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

2012-03-51

final rule

Airworthiness Directives; Airplanes Originally Manufactured by Lockheed for the Military as P2V Airplanes

Unsafe Condition: A significant crack in the principle wing structure, specifically in the left side wing front spar and lower skin just outboard of the fuselage side of wing station 40, propagating through the wing...

Effective: Mar 2, 2012 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airplanes Originally Manufactured by Lockheed for the Military as P2V Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2011-27-02 Recurring

final rule

Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Unsafe Condition: Fatigue cracking could occur in wing rear spar and upper surface zones, potentially reducing wing strength below certificated requirements and possibly causing rear spar fracture, extensive wing da...

Effective: Feb 3, 2012 Category: aircraft Compliance: Within the compliance times specified in the AD, with inspections repeated at intervals outlined ...

Why matched: Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure