AD 89-26-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
Partial loss of braking and potentially complete loss of braking due to failure of aluminum brake metering valve module shafts.
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Required Actions
Replace aluminum brake metering valve module shafts with steel shafts in accordance with Boeing Service Bulletin 767-32-0081. Alternate means of compliance or adjustment of compliance time may be used if approved by the FAA Manager, Seattle Aircraft Certification Office.
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Compliance Time
Within the next 750 landings after the effective date of this AD or prior to the accumulation of 15,000 landings, whichever occurs later, unless previously accomplished.
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Affected Aircraft
BOEING Model 767-200 Series, 767-300 Series, 767-300F Series airplanes listed in Boeing Service Bulletin 767-32-0081 dated April 27, 1989.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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