# SDR P9KA2016070701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2016
- Submitted: July 8, 2016
- Operation: Air carrier
- Aircraft: [N749KP](https://openairdocs.org/aircraft/N749KP), registered now
- Make and model: Cessna U206G
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Aircraft serial: 20605554
- Aircraft time: 12,011 hours
- Engine: Cont IO550N
- Engine time: 1,045 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: 6566197
- Part serial: UNKNOWN
- Condition: Cracked
- Location: Engine
- Part time: 1,045 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P9KA2016070701

## Discrepancy

DURING A ROUTINE ANNUAL INSPECTION, AN ONGOING OIL LEAK WAS TRACED TO A CRACK IN THE RIGHT HALF OF THE CRANKCASE BETWEEN THE NR 5 CYLINDER AND THE ALTERNATOR MOUNTING BOSS. THE ENGINE WAS REPLACED.

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