# SDR 20000412SH028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2000
- Submitted: April 12, 2000
- Operation: General aviation
- Aircraft: N9094F
- Make and model: Hughes 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (OpenAirDocs)
- Aircraft serial: 1110352S
- Engine: Allsn 250C20
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Probe
- Condition: Damaged
- Location: Engine
- Part time: 1,000 hours
- Component: Scavenge Oil Filter
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000412SH028

## Discrepancy

THE NYLON INSERT IN THE TEMPERATURE PROBE LET GO RESULTING IN FLUCTUATION AND DROPPING OIL PRESSURE AND A LOSS OF OIL.  THE ENGINE HAD TO BE TORN DOWN FOR INSPECTION.  MAIN DAMAGE SEEMS TO BE THE ENGINE''S NR 8 BEARING WHICH WAS DESTROYED.  (X)

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