AD 89-07-13

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 737 Series Airplanes

AD Number
89-07-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 737-100 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-200 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-200C Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-300 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-400 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-500 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-600 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-700 Series Airworthiness Directives; BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-800 Series Airworthiness Directives; BOEING Model 737 Series Airplanes

Unsafe Condition

Smoke in the cockpit and partial loss of electrical power caused by failures of the Generator Control Unit (GCU) filter modules.

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

Required Actions

Replace or modify the GCU filter modules in Westinghouse GCU part numbers 915F212-5 and 948F458-1 in accordance with Westinghouse Service Bulletins 87-101 or 87-102. An alternate means of compliance or adjustment of compliance time may be approved by the FAA Manager, Seattle Aircraft Certification Office.

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

Compliance Time

within the next 18 months after the effective date of this AD

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Affected Aircraft

Model 737 series airplanes, certificated in any category.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for The Boeing Company 737-100 Series

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