# SDR 95ZZZX1621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N557DC](https://openairdocs.org/aircraft/N557DC), registered now
- Make and model: Hughes 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (OpenAirDocs)
- Aircraft serial: S1630
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Valve
- Part number: 53E19600
- Condition: Nut Loose
- Location: Thermo Bypass
- Part time: 666 hours
- 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/95ZZZX1621

## Discrepancy

INSPECTED VALVE PER LYCOMING SB 518 AND FOUND NUT TO BE LOOSE.  NUT SWAGE DIMENSION IS .215 INCH.  (ORDERED NEW VALVE.)  SB DATED 11-4-94.  RECEIVED SB 1-24-95.

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