SDR 96ZZZX4408

Service difficulty report · Filter · Piper PA46310P

Difficulty date: June 25, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N94MA
Make and model: Piper PA46310P
Aircraft serial: 468608056
Engine: Cont TSIO520BE
System (JASC): 8550 · Reciprocating Engine Oil System
Part: Filter
Part number: CH48109
Condition: Broken
Location: Engine Oil
Part time: 23 hours
Component: Champion
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

AFTER CUTTING OIL FILTER OPEN, THE MANUFACTURER'S ANTI-DRAIN BACK VALVE ROLLED EDGE WAS FOUND CRACKED APPROXIMATELY ONE-HALF WAY AROUND AND A PIECE, APPROXIMATELY 1 INCH LONG, HAD BROKEN OFF. BROKEN PIECES WERE FOUND AFTER OIL COOLER WAS REMOVED AND BACK-FLUSHED.

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