AD 95-01-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
Unsafe Condition
Ice accumulation on the first stage of the low pressure compressor (LPC) stator during ground operation in icing conditions can be ingested into the high pressure compressor (HPC), causing damage and potential loss of power from the affected engine.
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Required Actions
Revise the Airplane Flight Manual to include procedures for periodic engine run-ups to 50% N1 during ground operations in icing conditions, perform visual checks for ice buildup on the LPC stator, and remove any detected ice using specified methods (engine run-up or hot air de-icing).
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Compliance Time
within 14 days after the effective date of this AD
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Affected Aircraft
Boeing Model 757-200 Series, 757-200CB Series, 757-200PF Series, 757-300 Series airplanes equipped with Pratt & Whitney Model PW2000 series engines.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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