# SDR 20000505SH025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2000
- Submitted: May 5, 2000
- Operation: General aviation
- Aircraft: [N4381L](https://openairdocs.org/aircraft/N4381L), registered now
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 288516016
- Engine: Lyc O320D3G
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: AEL6510241
- Part serial: 6866901
- Condition: Cracked
- Location: Head
- Part time: 878 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000505SH025

## Discrepancy

FOUND ZERO COMPRESSION ON ROUGH RUNNING ENGINE.  FOUND CRACK FROM TOP SPARK PLUG AROUND OUTSIDE OF EXHAUST SEAT TO BOTTOM SPARK PLUG. (X)

---
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.