AD Amdt-39-11048

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737 Series Airplanes

AD Number
Amdt-39-11048
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-148-AD
FR Citation
64 FR 8500

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737 Airworthiness Directives; Boeing Model 737 Series Airplanes

Unsafe Condition

Broken bolts that attach the terminal support fittings to the upper part of Body Station 1088 bulkhead, which could result in reduced structural integrity of the vertical fin installation and possible loss of the vertical fin.

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

Required Actions

Conduct repetitive ultrasonic inspections to detect broken bolts. Replace existing bolts with new, improved bolts if necessary. Terminate inspections upon completion of bolt replacement.

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

Boeing Model 737 series airplanes with specific configurations requiring the terminal support fittings attached to the upper part of Body Station 1088 bulkhead.

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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