SDR CA150704001

Service difficulty report · Engine · Piper PA31

Difficulty date: June 6, 2015
Submitted: August 5, 2015
Operation: General aviation
Make and model: Piper PA31
Aircraft time: 9,136 hours
Engine: Lyc TIO540A2C
Propeller: Hartzl HCE3YR2A
System (JASC): 8500 · Engine (Reciprocating)
Part: Engine
Condition: Damaged
Location: Right
Stage of operation: IN
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) ENGINE RT, HIGH LEVELS OF ALUMINUM & MODERATE LEVELS OF CHROME STEEL WEAR SHOWING ON ENG OIL ANALYSIS TREND, MICRO TECH SYSTEMS LAB NUMBER UL4452 & VC5327. 1759.8 HRS TSOH, 107.2 MONTHS SOH. REMOVE RT ENG NR 4 & 6 CYLINDERS, ENG SN RL-9515-61A, TO INSPECT FOR POSSIBLE SOURCE OF METAL CONTAMINATION. CYLINDERS REMOVED & FOUND EXCESSIVE BLOW BY, BARREL CORROSION & EXHAUST VALVE LEAKAGE. ENG REMOVED, OVERHAULED, 0 HRS TSO. ENG MODEL TIO-540-A2C INSTALLED.

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