SDR 99ZZZX1645

Service difficulty report · Piston Pin · Piper PA46350P

Difficulty date: March 1, 1999
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N9167R
Make and model: Piper PA46350P
Aircraft serial: 4622032
Engine: Lyc TIO540AE2A
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Piston Pin
Condition: Peeled
Location: Engine
Part time: 250 hours
Stage of operation: NR
Nature of condition: Y
Precautionary procedure: O

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

What was found

ENGINE FAILURE. HIGH AMOUNTS OF FERROUS AND NON-FERROUS METALS FOUND IN OIL FILTER. FOUND THAT UP TO .1250 INCH OF METAL PEELED FROM NR 1, NR 2, AND NR 6 PISTON RING PLUGS. ALL 6 ROD BEARINGS SEVERELY SCORED FROM FOREIGN METAL. FRONT MAIN BEARING ALSO SEVERELY SCORED. ONLY 250 HOURS SMOH.

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