Service difficulty report · Engine

Difficulty date
September 16, 2001
Submitted
October 15, 2001
Operation
General aviation
Engine
Pwa PT6A67B
Part
Engine
Condition
Making Metal
Location
Nacelle
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) SILVER PLATLETS WERE FOUND IN AN OIL SAMPLE TAKEN AT THE 100 HOUR MARK OF NEWLY INSTALL ENGINE. ENGINE WAS FLUSHED AND FILTER REPLACED. AFTER ANOTHER 40 HOURS OF SERVICE ON THE ENGINE IT WAS INSPECTED AGAIN AND UPON VISUAL INSPECTION IT WAS FOUND THAT THERE WAS STILL SILVER PLATLETS IN THE OIL FILTER AND WAS NOW GENERATING FERROUS METAL. IT WAS INITIALLY BELIEVED THAT IT WAS JUST JUNK FROM ENGINE ASSEMBLY. THIS CONFIRMED THAT THE ENGINE WAS INDEED GENERATING METAL. ENGINE REMOVED AND SERVICIBLE ENGINE INSTALLED.