AD 99-27-05

final rule
Data completeness: 60%

Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes

AD Number
99-27-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
97-NM-241-AD

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 767-200 Series Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes
aircraft The Boeing Company 767-300 Series Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes
aircraft The Boeing Company 767-300F Series Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes

Unsafe Condition

Failure of the brake housing in the torque rod region due to high loads associated with brake vibration during landing gear retraction, which could reduce braking capability and/or prevent main landing gear extension.

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

Required Actions

Replace the hydraulic reducer fitting in the return port of the alternate brake selector valve with a new restrictor fitting. Compliance must be achieved before further flight.

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 767-200, -300, and -300F series airplanes, line numbers 1 through 607 inclusive, equipped with part number S160T300-series carbon brakes.

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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