AD 83-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; BRITISH AEROSPACE Model BAC 1-11 200 and 400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AEROSPACE Model BAC 1-11 200 and 400 Series Airplanes |
Unsafe Condition
Failure of the No. 1 left and right side fuselage mounted flap beam due to potential defects in the forward and aft spigots.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and repair or replace the forward and aft spigots of the No. 1 flap beam per British Aerospace Alert Service Bulletin No. 53-A-PM5805, Issue 2. Repeat inspections at intervals not exceeding 6,000 landings unless modification PM5805 is incorporated, which terminates the requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 30,000 landings or within the next 1,000 landings, whichever occurs later (for aircraft with ≥27,000 landings on AD effective date). Prior to 18,000 landings or within next 3,000 landings, whichever occurs later (for aircraft with <27,000 landings).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model BAC 1-11 200 and 400 Series airplanes, all serial numbers, certificated in all categories, not incorporating Modification No. PM5805.
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.