# SDR CA140520001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft time: 22,377 hours
- Engine: Lyc LTIO540J2BD
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Stud
- Part number: 3813
- Condition: Broken
- Location: At Crankcase
- Part time: 583 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA140520001

## Discrepancy

(CAN) WHILE PERFORMING OTHER MAINTENANCE IT WAS NOTICED THE BOTTOM 2 SMALL CYLINDER BASE STUDS NR 2 CYLINDER WERE BROKEN.  BROKEN STUDS REMOVED AND ALL STUDS FOR NR 2 CYLINDER BASE WERE REPLACED WITH NEW.

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