AD 75-01-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | T5313B | AVCO LYCOMING Model T5313B Engines |
Unsafe Condition
Centrifugal compressor impeller assembly vane failures leading to performance deterioration and partial or complete power loss.
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Required Actions
Remove centrifugal compressor impeller assemblies with part numbers 1-100-078-03, 1-100-078-04, and 1-100-078-10, and replace them with part number 1-100-078-08.
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Compliance Time
prior to the accumulation of 100 hours time in service after the effective date of this AD
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Affected Aircraft
Avco Lycoming T5313B turboshaft engines with centrifugal compressor impeller assemblies having part numbers 1-100-078-03, 1-100-078-04, or 1-100-078-10.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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