AD 67-09-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes |
Unsafe Condition
Interference between the flap jack screw and flap carriage assembly due to insufficient clearance between the nut on flap screw jack P/N CH526-010 and the inside faces of the lower rollers on the aft flap carriages P/N AK09 A1263, AK09 A1265, and AK09 A1266.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Measure the clearance between the nut and inside faces of the lower rollers at all 8 screw jack positions every 1,000 hours' time in service. If clearance is less than 0.025 inch, rework the nut stop head radius. Discontinue inspections if modified per BAC Service Bulletin 27-A-PM2469.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 500 hours' time in service after April 20, 1967, and thereafter every 1,000 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BRITISH AIRCRAFT Model BAC 1-11 400 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.