AD 2008-17-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Socata | TBM 700 | Airworthiness Directives; EADS SOCATA Model TBM 700 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; EADS SOCATA Model TBM 700 Airplanes |
Unsafe Condition
A rupture of the alternator and vapour cycle cooling system pulley drive assembly has reportedly been found. Such a failure could lead to the loss of the alternator and vapour cycle cooling systems and could also cause mechanical damage inside the powerplant compartment.
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Required Actions
Inspect for oil leakage in the pulley drive assembly. If any leak is found, replace the pulley drive assembly part number T700G215504900000 with P/N T700G215505710000. If no leak is found, remove the compressor drive belt from the pulley drive assembly. Position the air-conditioning 'AIR COND' switch to 'OFF' and keep it deactivated until the pulley drive assembly is replaced. Within 12 months after September 23, 2008, replace the pulley drive assembly and reinstall the compressor drive belt.
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Compliance Time
Before further flight if a leak is found; within 12 months of September 23, 2008 for the pulley drive assembly replacement and compressor drive belt reinstallation.
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Affected Aircraft
EADS SOCATA Model TBM 700 airplanes, serial numbers 434 through 455, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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