SDR CA010307006

Service difficulty report · Engine · Dhav DHC6300

Difficulty date: January 24, 2001
Submitted: March 13, 2001
Operation: Air carrier
Make and model: Dhav DHC6300
Aircraft time: 7,730 hours
Engine: Pwa PT6A34
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Failed
Location: Right
Part time: 7,368 hours, 6,940 cycles
Component: Pwa
Stage of operation: CR
How discovered: O
Nature of condition: Y, 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) WHILE IN LEVEL CRUISE AT 500 AGL THE RT ENGINE FAILED. FIRST OBSERVATION WAS DROPPING OIL PRESSURE, PROPELLER AUTO-FEATHERING AND AIRCRAFT YAWING TO RIGHT. RT ENGINE WAS SECURED AND AIRCRAFT RETURNED TO BASE. UPON EXAMINATION AT BASE, THE POWER TURBINE WHEEL HAD DISINTEGRATED (CONTAINED) AND A LARGE QUANTITY OF METAL WAS RECOVERED FROM THE REDUCTION GEARBOX (NOSE) SUMP AND SCREEN AREA.2001-03-12 TC: EXPECT OPERATOR FOLLOW-UP AFTER TEARDOWN INVESTIGATION.