AD 90-26-07
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
Reduced structural capability of the glazing frame and possible rapid decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform internal and external visual inspections or non-destructive testing (NDT) inspections of the pilot's and co-pilot's direct view window aperture at specified intervals. If cracks are found, conduct eddy current inspections and repair or replace the glazing frame as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 20,000 landings on the glazing frame since new, or within 1,600 landings after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 1,600 landings for airplanes operating at 7.5 psi. For airplanes modified to 8.2 psi, prior to 14,000 landings since new or within 1,100 landings after the AD's effective date, whichever is later, and thereafter at intervals not exceeding 1,100 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, 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
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