SDR 98ZZZX1520

Service difficulty report · Stud · Piper PA31350

Difficulty date: March 20, 1998
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N4108D
Make and model: Piper PA31350
Aircraft serial: 318352018
Engine: Lyc LTIO540J2BD
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Stud
Condition: Failed
Location: Nr 4 Cylinder
Part time: 5,145 hours
Stage of operation: NR
Nature of condition: E, R
Precautionary procedure: O

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

What was found

108.9 HOURS SINCE OVERHAUL: PILOT REPORTED ROUGH RUNNING NR 4 CYLINDER ALL STUDS BROKEN, FUEL INJECTOR LINE AND EXHAUST PIPE BROKEN, AND CASE CRACKED. THIS ENGINE IS BEING REMOVED FOR REPAIR. .3750 INCH STUDS, P/N 38-13. .50 INCH STUDS, P/N 50-15 THROUGH STUD, P/N 76220.

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