# SDR 95ZZZX3245

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N44RL](https://openairdocs.org/aircraft/N44RL), registered now
- Make and model: Piper PA-31-310
- Registry model: [Piper PA-31-310](https://openairdocs.org/model/piper-pa-31-310) (OpenAirDocs)
- Aircraft serial: 317401217
- Engine: Lyc TIO540A2C
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Housing
- Part number: 77998
- Condition: Bolt Detached
- Location: Eng Induct Sys
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX3245

## Discrepancy

HOUSING FOR YEARS HAS BEEN INSTALLED WITH 4 EACH STD 1875 BOLTS AND THE TWO INTERNAL BOLTS WERE STD 1890 DRILLED HEADS FOR SAFETY WIRE, STD 1890 NOW IS CHANGED TO STD 1875 UNDRILLED AND INSTALLED WITH A  PLAIN WASHER, AN960, AND MS535333 STARLOCK WASHER.  ONE OF THE INSIDE BOLTS BACKED OUT AND WENT INTO NR 2 CYLINDER AND DESTROYED THE PISTON, CYLINDER HEAD, AND VALVES.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.