# SDR 98ZZZX1519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4108D
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 318352018
- Engine: Lyc TIO540J2BD
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Stud
- Condition: Failed
- Location: Nr 1 Cylinder
- Part time: 3,713 hours
- Stage of operation: NR
- Nature of condition: E, R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX1519

## Discrepancy

95.3 HOURS SINCE OVERHAUL:  PILOT REPORTED ROUGH RUNNING ENGINE. INSPECTION SHOWED NR 1 CYLINDER, 2 EACH, TOP CYLINDER STUDS AND, 2 EACH, AFT STUDS BROKEN.  FUEL INJECTOR LINE BROKEN, INTAKE TUBE DAMAGED.  .3750 INCH STUDS, P/N 38-13.  .50 INCH STUDS, P/N 50-15.

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