AD Amdt-39-9952

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 727 Series Airplanes

AD Number
Amdt-39-9952
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-32-AD
FR Citation
62 FR 9359

Applicability

TypeManufacturerModelDetails
aircraft Boeing 727 Airworthiness Directives; Boeing Model 727 Series Airplanes

Unsafe Condition

Fatigue cracks in the forward support fitting of the number 1 and number 3 engines could result in failure of the support fitting and consequent separation of the engine from the airplane.

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

Required Actions

Conduct repetitive pre-modification inspections to detect cracks in the forward support fitting of the number 1 and number 3 engines and repair if necessary. Optional high frequency eddy current (HFEC) inspections may be performed, and modification of fastener holes may be done if possible, which can terminate the requirement for repetitive inspections.

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 727 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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View Official Source ↗ Find More ADs for Boeing 727

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