# SDR 2017FA0000150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2017
- Submitted: March 30, 2017
- Operation: General aviation
- Aircraft: N18889
- Make and model: Beech C 23
- Registry model: [Beech C 23](https://openairdocs.org/model/beech-c-23) (OpenAirDocs)
- Aircraft serial: M1961
- Engine: Lyc O360*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: SL36005
- Condition: Cracked
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000150

## Discrepancy

AFTER TAKE OFF, PILOT HEARD A LOUD BANG FROM THE ENGINE FOLLOWED BY VIBRATION AND LOSS OF POWER.  SUCCESSFULLY RETURNED TO THE AIRPORT AND LANDED WITHOUT INCIDENT. INSPECTION OF THE ENGINE REVEALED THE NR 1 CYLINDER HAD CRACKED APPROXIMATLY 75% OF THE CIRCUMFERENCE WHERE THE HEAD AND BARREL MEET. RECORDS INDICATE THE CYLINDER HAD BEEN OVERHAULED ON 10/20/2011. THE CYLINDER WAS INSTALLED ON 6/19/2014. THE CYLINDER ACCUMULATED 73.1 HOURS BEFORE THE FAILURE.

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