# SDR 2026FA0000821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 6, 2026
- Operation: General aviation
- Aircraft: [N57HR](https://openairdocs.org/aircraft/N57HR), registered now
- Make and model: Agusta AW109SP
- Registry model: [Agusta AW109SP](https://openairdocs.org/model/agustawestland-aw109sp) (OpenAirDocs)
- Aircraft serial: 22317
- Aircraft time: 1,956 hours, 4,023 cycles
- Engine: Pwc PW206C
- Engine time: 1,909 hours, 6,562 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Regulator Valve
- Part number: 728094
- Part serial: 1166
- Condition: Faulted
- Location: Zone 200
- Part time: 1,956 hours, 4,023 cycles
- Component: Oil Cooler Assy, Agusta, AW109SP
- Component part number: 109062117103
- Stage of operation: CR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000821

## Discrepancy

HELICOPTER N57HR EXPERIENCED NR 1 OIL HOT LIGHT IN FLIGHT. PER RFM IT SAYS TO ACHIEVE SAFE OEI FLIGHT AND SHUT DOWN ENGINE USING EMERGENCY SHUTDOWN IN AN EMERGENCY. 3-73 AND 3-20 IN RFM. WHICH IS WHAT THE CREW DID.

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