AD 2006-04-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757-200 and -300 | Airworthiness Directives; Boeing Model 757-200 and -300 Series Airplanes |
Unsafe Condition
The end caps of the overhead distribution ducts for the air conditioning system were not bonded to the ducts with an adhesive, which could lead to loosened end caps and change the air flow balance in the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install clamps on the end caps of the overhead distribution ducts at specified stations, and perform other specified investigative actions as applicable, by following the instructions in the relevant Boeing Special Attention Service Bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12,000 flight hours or 36 months after the effective date of this AD, whichever is first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 757-200 and -300 series airplanes, as identified in Boeing Special Attention Service Bulletins 757-21-0106 and 757-21-0107, dated March 24, 2005.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.