# SDR 99ZZZX301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N9776G
- Make and model: Cessna U206G
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Aircraft serial: U20603828
- Engine: Cont IO520F
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Nut
- Part number: 652541
- Condition: Cracked
- Location: Nr 6 Cylinder
- Part time: 27 hours
- Component: 6546451A
- 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/99ZZZX301

## Discrepancy

DURING INSPECTION OF ENGINE FOR OIL LEAK, THE LOWER FORWARD CYLINDER FLANGE ATTACH NUT (AT THRU-BOLT) WAS FOUND CRACKED AND LOOSE ON BOLT.  UNABLE TO DETERMINE CAUSE OF FAILURE.

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