SDR FQAR20190618009

Service difficulty report · Snap Ring · Piper PA44180

Difficulty date: June 11, 2019
Submitted: June 18, 2019
Operation: General aviation
Aircraft: N287PA
Make and model: Piper PA44180
Aircraft serial: 4496110
Aircraft time: 9,987 hours
Engine: Lyc LO360A1H6
Engine time: 1,549 hours
System (JASC): 8500 · Engine (Reciprocating)
Part: Snap Ring
Part number: STD2231
Condition: Broken
Location: Engine
Part time: 1,549 hours
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING A SCHEDULED INSPECTION, A PIECE OF SNAP RING WAS DISCOVERED IN THE OIL DRAIN VALVE, THE OIL SUMP AND REAR CASE WERE REMOVED, THE SNAP RING THAT RETAINS THE TACH DRIVE IN THE CAM GEAR WAS FOUND TO BE MISSING, INSTALLED NEW SNAP RING AND REINSTALLED THE REAR CASE AND OIL SUMP

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