AD Amdt-39-10239

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 727 Series Airplanes

AD Number
Amdt-39-10239
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-282-AD
FR Citation
62 FR 65355

Applicability

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

Unsafe Condition

Cracking of the rear spar web of the wing center section could permit fuel leakage into the airflow multiplier, resulting in an electrical short that could cause a fire.

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

Required Actions

Conduct repetitive inspections using borescope, mirror, ultrasonic, or high frequency eddy current methods to detect rear spar web cracking or fuel leakage, repair as necessary. Optional modification of the rear spar web (including stop drilling and repair) may be performed to terminate inspection requirements.

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

Compliance Time

Prior to accumulating 15,000 total flight cycles or within 300 flight cycles after the effective date, whichever is later.

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

Affected Aircraft

Boeing Model 727 series airplanes with wing center sections having rear spar web at upper machined land radius between Left/Right BBL 40.

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.

View Official Source ↗ Find More ADs for Boeing 727

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