# SDR CA101206016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2010
- Submitted: March 15, 2011
- Operation: Air carrier
- Make and model: Dhav DHC2MKI
- Aircraft time: 14,023 hours
- Engine: Pwa R985AN14B
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: CH90ER
- Condition: Cracked
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA101206016

## Discrepancy

(CAN) ON TAKEOFF, PILOT EXPERIENCED VIBRATION AND DIFFERENT ENGINE RUNNING SOUND, THROTTLED BACK AND RETURNED TO DOCK, AIRCRAFT REMOVED FROM WATER. VISUAL INSPECTION FOUND NR 2 CYLINDER HEAD CRACKED. CYLINDER HEAD SEPARATED FROM CYLINDER DURING REMOVAL, CYLINDER REPLACED. TESTED RUN, ALL ENGINE INDICTORS WITHIN LIMITS, AIRCRAFT RETURNED TO SERVICE.

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