# SDR HYIA20260424003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N411CA](https://openairdocs.org/aircraft/N411CA), registered now
- Make and model: Tecnam P2012
- Aircraft serial: 008US
- Aircraft time: 3,334 hours, 3,673 cycles
- Engine: Lyc TEO540C1A
- Engine time: 3,022 hours, 2,847 cycles
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Stud
- Condition: Broken
- Location: Nr 6 Cylinder
- Component: Engine, Lyc, TEO540C1A
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20260424003

## Discrepancy

PILOT REPORTED DURING CRUISE, THE LEFT ENGINE ONLY PRODUCING 59% POWER AT 2100 RPM. MAINTENANCE INSPECTED AND FOUND THE LEFT ENGINE #6 CYLINDER TO HAVE TWO BROKEN CYLINDER STUDS. THE ENGINE 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.