# SDR ECPR2017121977588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2017
- Submitted: March 28, 2018
- Operation: General aviation
- Filed by: [Skyborne Airline Academy Inc, repair station ECPR466D](https://openairdocs.org/faa-repair-station/ECPR466D/skyborne-airline-academy-inc.md) (OpenAirDocs)
- Aircraft: N9219J
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 2841028
- Aircraft time: 13,840 hours
- Engine: Lyc O320D3G
- Engine time: 8,800 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: LW12614
- Condition: Cracked
- Location: Nr 1
- Part time: 1,986 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/ECPR2017121977588

## Discrepancy

DURING A SCHEDULED INSPECTION IT WAS FOUND THAT THE NR 1 CYLINDER HAD LOW COMPRESSION.  INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.

---
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.