# SDR HYIA20260327006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N357CA](https://openairdocs.org/aircraft/N357CA), registered now
- Make and model: Tecnam P2012
- Aircraft serial: 037US
- Aircraft time: 3,047 hours, 3,460 cycles
- Engine: Lyc TEO540C1A
- Engine time: 1,850 hours, 1,895 cycles
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Scored
- Location: Nr 3
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20260327006

## Discrepancy

DURING INSPECTION IT WAS FOUND THE NR 3 CYLINDER ON THE LEFT ENGINE HAD SCORING ON THE CYLINDER WALLS CAUSED BY A BROKEN OIL CONTROL RING. THE CYLINDER WAS REPLACED WITH NO FURTHER DEFECTS NOTED.

---
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.
