AD 75-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11, 200 and 400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11, 200 and 400 Series Airplanes |
Unsafe Condition
Loose ring nuts in the flap primary transmission system and broken ring nut lock wires could lead to flap malfunction or failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect ring nuts in the flap primary transmission system for tightness and inspect lock wires for breaks. Adjust torque loading to 35 to 45 pound feet and double wire lock each ring nut. Reports of loose nuts or broken wires must be forwarded to the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 1,000 hours' time in service after the effective date of this AD, unless already accomplished within the last 1,000 hours' time in service. Subsequent inspections required before 1,050 hours' time in service but not before 800 hours after prior compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aircraft Corporation Model BAC 1-11, 200 and 400 Series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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