AD 89-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757-200 Series Airplanes |
Unsafe Condition
Cracked oil pressure indicator tube assemblies can cause loss of engine oil, leading to engine in-flight shutdown and engine damage.
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Required Actions
Remove five oil pressure indication system tube assemblies and replace them with flexible hose assemblies per Boeing Service Bulletin 757-79-0005. Alternate compliance or adjustments may be approved by the Manager, Seattle Aircraft Certification Office.
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Compliance Time
within one year after the effective date of this AD
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Affected Aircraft
BOEING Model 757-200 Series airplanes through line number 164 equipped with Pratt and Whitney PW2000 engines
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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