Service difficulty report · Tube · Aerosp ATR42*

Difficulty date
December 24, 2004
Submitted
March 3, 2005
Operation
General aviation
Make and model
Aerosp ATR42*
Engine
Pwa PW121
Part
Tube
Condition
Fractured
Location
Oil Transfer
Stage of operation
CR
How discovered
O
Nature of condition
B, J
Precautionary procedure
F, E

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

What was found

(CAN) DURING CRUISE ENGINE TEMPERATURES INCREASED ACCOMPANIED BY SMOKE AND EXHAUST ODOR IN THE CABIN. THE CREW REDUCED ENGINE POWER. FIRE WARNING INDICATION ACTIVATED 12 MINUTES LATER AND THE CREW CARRIED OUT FIRE SUPPRESSION PROCEDURE AND SHUTDOWN THE ENGINE IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FRACTURED NR 6 AND NR 7 BEARING OIL TRANSFER TUBE, A BURNED FIRE HARNESS LOOP AND METALLIC DEBRIS ON THE ENGINE CHIP DETECTOR. MFG WILL INVESTIGATE THE EVENT AND WILL SUPPLEMENT THIS REPORT TO PROVIDE ROOT CAUSE ONCE DETERMINED.

More about the Aerosp ATR-42