SDR K5SR201411181911

Service difficulty report · Adapter · Cessna 402B

Difficulty date: November 15, 2014
Submitted: November 18, 2014
Operation: General aviation
Filed by: K5SR339N
Elevate MRO, LLC
Aircraft: N7947Q
Make and model: Cessna 402B
Aircraft serial: 0397
Aircraft time: 21,886 hours
Engine: Cont GTSIO520E
System (JASC): 8550 · Reciprocating Engine Oil System
Part: Adapter
Part number: 641639
Condition: Broken
Location: Oil Filter
Stage of operation: LD
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

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

What was found

PILOT EXPERIENCED LT ENGINE FAILURE IN-FLIGHT DUE TO AN OIL LEAK. AFTER LANDING, INVESTIGATED OIL LEAK AND FOUND THAT THE OIL FILTER ADAPTER ASSEMBLY HAD CRACKED AND BROKEN OFF BELOW THE OIL FILTER, CAUSING THE LOSS OF OIL. INSTALLED NEW OIL FILTER ADAPTER, PN 641639.

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