Service difficulty report · Compressor · Aerosp ATR42300

Difficulty date
September 7, 2005
Submitted
November 1, 2005
Operation
General aviation
Make and model
Aerosp ATR42300
Engine
Pwa PW121
Part
Compressor
Condition
Leaking
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
K, B, J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING CLIMB, SMOKE BECAME EVIDENT IN THE CABIN AIR ACCOMPANIED BY AN DECREASE IN ENGINE OIL PRESSURE AND AN INCREASE IN TEMPERATURE. THE ENGINE WAS SHUTDOWN IN FLIGHT AND THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION REVEALED SEIZURE OF THE PROP SHAFT AND OIL LEAKING FROM THE COMPRESSOR SECTION. MFG WILL MONITOR INVESTIGATION OF THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE ESTABISHED.

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