AD 2021-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Incorrect installation of the ``Main Deck Oxygen Alert Control'' circuit breaker could result in overheating and burning of wiring, and consequently, could result in smoke triggering an alarm and causing the crew workload to increase; or could result in a short circuit to adjacent wires causing malfunctions in other systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wiring connection common to the C9066 circuit breaker, changes to the wiring connection, if necessary, and a test of the main deck oxygen alert system, if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 767-300 series airplanes, that have been modified to a Bedek Division Special Freighter (BDSF), designated as 767-300BDSF, in accordance with CAAI STC SA218/FAA STC ST02040SE/European Union Aviation Safety Agency (EASA) STC 10028430.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.