# SDR CA110629004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2011
- Submitted: September 9, 2011
- Operation: General aviation
- Make and model: Bbavia 8GCBC
- Aircraft time: 5,383 hours
- Engine: Lyc O360C2E
- Propeller: Mcauly 1A200*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: LW12427
- Condition: Cracked
- Location: Nr 4
- Part time: 705 hours
- 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/CA110629004

## Discrepancy

DURING THE 100HR INSPECTION,  A .5" TO 1" CRACK WAS DISCOVERED COMMING FROM THE LOWER SPARK PLUG HOLE ON NR 4 CYLINDER.  CYLINDER WAS REPLACED. THIS ENGINE IS USED FOR GLIDER TOWING AND IS O/H EVERY 2000 HRS.

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