# SDR 97ZZZX2930

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4915R
- Make and model: Cessna A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (OpenAirDocs)
- Aircraft serial: 18802432T
- Engine: Cont IO520D
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Defective
- Location: Nr 5 And Nr 2
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX2930

## Discrepancy

FOLLOWING TOP OVERHAUL, NOTED A KNOCK FROM CYLINDERS 5 AND 2.  FOUND NEW PISTONS WERE HITTING ON THE CYLINDER HEADS.  FOUND THE CYLINDER HEAD TO BARREL DISTANCE IS SMALLER THAN OTHER CYLINDERS.

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