AD Amdt-39-11059

Recurring final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model BAC 1-11 200 and 400 Series Airplanes

AD Number
Amdt-39-11059
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-27-AD
FR Citation
64 FR 10555

Applicability

TypeManufacturerModelDetails
aircraft British Aerospace Model BAC 1-11 200 and 400 Series Airworthiness Directives; British Aerospace Model BAC 1-11 200 and 400 Series Airplanes

Unsafe Condition

Cracking in the flight deck canopy area and top sill members at station 82.5 could result in reduced structural integrity of the flight deck frame and adjacent fuselage structure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Continue detailed visual and eddy current inspections to detect cracks of the top sill members at station 82.5. Perform a one-time inspection to determine the type of fasteners installed in certain holes of the joint strap installation, and replace rivets with bolts 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

All British Aerospace Model BAC 1-11 200 and 400 series airplanes.

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

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