SDR CA981209010

Service difficulty report · Crankcase · Piper PA31

Difficulty date: November 30, 1998
Submitted: March 26, 2000
Operation: General aviation
Make and model: Piper PA31
Engine: Lyc TIO540A2B
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Crankcase
Part number: LW12030
Condition: Cracked
Location: Engine
Stage of operation: IN
Nature of condition: K
Precautionary procedure: K

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

What was found

(CAN) DURING INSPECTION, THE PRESENCE OF AN OIL LEAK AT THE LOWER FORWARD STUD AT NR 2 CYLINDER LED TO FINDING A CRACK 1.50 INCHES LONG IN THE CRANKCASE, WHICH WAS VERIFIED BY A FLUORESCENT PENETRANT INSPECTION. THE ENGINE WAS REPLACED.

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