AD 90-25-14

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 737-300, -400, and -500 Series Airplanes

AD Number
90-25-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-207-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 737-300 Series Airworthiness Directives; BOEING Model 737-300, -400, and -500 Series Airplanes
aircraft The Boeing Company 737-400 Series Airworthiness Directives; BOEING Model 737-300, -400, and -500 Series Airplanes
aircraft The Boeing Company 737-500 Series Airworthiness Directives; BOEING Model 737-300, -400, and -500 Series Airplanes

Unsafe Condition

Wire bundles above the overhead ceiling panels between fuselage stations 270 and 300 may have damage due to chafing or interference with ceiling panel bracketry and/or latch mechanisms, leading to fire and smoke in the passenger cabin and cockpit.

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

Required Actions

Visually inspect wire bundles between fuselage stations 270 and 300 for damage due to chafing or interference. Repair damaged wires using Boeing Standard Wiring Practices and add Expando PT or equivalent protective sleeving per Boeing Service Letter 737-SL-24-58. Repeat inspections every 120 days.

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

Compliance Time

Within the next 60 days after the effective date of this AD, and repeat inspections at intervals not to exceed 120 days.

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

Affected Aircraft

BOEING Model 737-300, -400, and -500 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

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