SDR CA150710017

Service difficulty report · Bearing

Difficulty date: January 13, 2015
Submitted: April 22, 2016
Operation: General aviation
Engine: Pwa PT6A65B
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Bearing
Condition: Failed
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: E, 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 CRUISE FLIGHT, PILOT HEARD POPPING NOISE COMING FROM THE NR 1 ENGINE. THE ENGINE INNER TURBINE TEMPERATURE WENT UP TO MAXIMUM AND THE GAS GENERATOR SPEED DROPPED TO ZERO. PILOT THEN SHUTDOWN THE ENGINE AND LANDED THE ACFT UNEVENTFULLY. IAW TEARDOWN REPORT FINDINGS, THE ENGINE SUFFERED A NR 1 BEARING DISTRESS.