AD 86-11-02
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
Overspeeding of the cold air unit and faulty overheat protection circuits may lead to inadequate overheat detection and potential system failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform functional tests of the cold air unit overheat protection circuits within 120 days after the AD effective date or prior to specified thresholds. Repair faulty circuits before further flight. Conduct workshop calibration and functional tests of overheat detectors based on model-specific requirements and compliance intervals. Replace detectors failing tests before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 120 days after the effective date of the AD, or prior to reaching the threshold indicated in each paragraph below, whichever is later.
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, certificated in any category.
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.