AD 79-09-01

final rule
Data completeness: 70%

BOEING Model 727-100 Series Airplanes

AD Number
79-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 727-100 Series BOEING Model 727-100 Series Airplanes

Unsafe Condition

Generator electrical lead damage and possible hydraulic fire from cable clamp failure allowing the electrical leads to chafe against hydraulic lines or components.

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

Required Actions

Within 100 hours time-in-service after the effective date, and every 2,000 hours time-in-service thereafter, inspect the No. 1 generator electrical leads, clamps, hydraulic systems, and airframe for routing separation and insulation chafing. Repair or replace damaged components as required. If leads are not separated by at least three inches from hydraulic lines, add Skydrol-resistant insulation wrap and clamps. If already separated, no further action is needed.

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

Compliance Time

Within the next 100 hours time-in-service after the effective date of this AD, and every 2,000 hours time-in-service thereafter

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

Affected Aircraft

Boeing Model 727-100 series airplanes that complied with FAA AD 66-30-02 by having been modified to Option No. 2 in Boeing 727 Service Bulletin No. 24-30 (revised May 18, 1966)

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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