# SDR CHIR20130729001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2013
- Submitted: July 29, 2013
- Operation: General aviation
- Aircraft: [N245CH](https://openairdocs.org/aircraft/N245CH), registered now
- Make and model: Boeing 234
- Registry model: [Boeing 234](https://openairdocs.org/model/boeing-vertol-234) (OpenAirDocs)
- Aircraft serial: MJ022
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Nut
- Part number: 300271
- Condition: Cracked
- Location: Apu Oil Slinger
- Part time: 1,155 hours
- Component: Apu
- Component part number: 160650100
- 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/CHIR20130729001

## Discrepancy

APU WAS REMOVED FROM ACFT FOR REPORTED "LOUD SCREECHING" AND OIL LEAKING FROM INLET.  ONCE INLET HOUSING WAS SEPARATED FROM REDUCTION DRIVE HOUSING IT WAS NOTED THAT THE OIL SLINGER NUT WAS BROKEN & CRACKED.

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