# SDR 2017FA0000015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2017
- Submitted: January 17, 2017
- Operation: General aviation
- Aircraft: [N698ND](https://openairdocs.org/aircraft/N698ND), registered now
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- Aircraft serial: 4496375
- Aircraft time: 1,309 hours
- Engine: Lyc LO360A1H6
- Engine time: 1,309 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: LW12427
- Condition: Cracked
- Location: Rt Engine
- Part time: 1,309 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000015

## Discrepancy

ENGINE WOULD RUN ROUGH AT ALL POWER SETTINGS. AFTER INSPECTION FOUND THE NR 3 CYLINDER ON THE RT ENGINE CRACKED FROM THE TOP SPARK PLUG HOLE EXTENDING AROUND TO THE BOTTOM SPARK PLUG HOLE. CRACK IS VISIBLE FROM EXTERIOR AND INTERIOR OF CYLINDER ASSY.

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