# SDR ERHA20120619002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2012
- Submitted: July 3, 2012
- Operation: Air carrier
- Aircraft: [N121KT](https://openairdocs.org/aircraft/N121KT), registered now
- Make and model: Dhav DHC2MK1
- Aircraft serial: 1407
- Aircraft time: 14,823 hours
- Engine: Pwa R985AN14B
- Engine time: 13,423 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: 399353
- Condition: Cracked
- Location: Nr 2
- Part time: 13,423 hours
- Component: Engine, Pwc
- Component part number: R985AN14B
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ERHA20120619002

## Discrepancy

ENGINE CYLINDER HEAD IN THE NR 2 POSITION CRACKED, IN FLIGHT, CAUSING ENGINE ROUGHNESS AND PARTIAL POWER LOSS.  PILOT MADE EMERGENCY LANDING OFF AIRPORT.

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