# SDR 97ZZZX3344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N5246E
- Make and model: Cessna A185F
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (OpenAirDocs)
- Aircraft serial: 18503943
- Engine: Cont IO520D
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Bolts
- Condition: Sheared
- Location: Nr 4 Cylinder
- Stage of operation: CR
- Nature of condition: E, R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3344

## Discrepancy

ABRUPT ENGINE ROUGHNESS NOTED IN-FLIGHT.  RETURNED TO AIRPORT, INSPECTION REVEALED THAT 3 EACH CYLINDER STUDS AND 2 EACH THROUGH-BOLTS ON THE NR 4 CYLINDER HAD SHEARED OFF.  ALL ENGINE INSTRUMENTS GAVE NORMAL INDICATIONS.  ENGINE REMOVED AND SENT TO AN ENGINE FACILITY FOR INSPECTION.

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