Service difficulty report · Gearbox

Difficulty date
May 20, 2015
Submitted
August 5, 2015
Operation
General aviation
Engine
Pwc PT6A67AG
Part
Gearbox
Condition
Making Metal
Location
Accessory
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

(CAN) PILOT OBSERVED AGB CHIP DETECTOR ANNUNCIATE ON MFD DISPLAY WITH LOW OIL PRESSURE CAUTION LIGHT ILLUMINATED. SUBSEQUENT LOUD NOISE WAS HEARD WITH PROPELLER GOING INTO FEATHER. PILOT ELECTED TO PUT ENGINE IN FLIGHT IDLE AND LANDED. SUBSEQUENT INSPECTION FOUND METAL ON AGB CHIP DETECTOR AND PROPELLER SHAFT SEIZED.