# SDR QR9R2025091200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2025
- Submitted: September 12, 2025
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 9155
- Aircraft time: 5,048 hours
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Thermocouple
- Part number: 0177887050
- Part serial: 2122MA
- Condition: Failed
- Location: Engine Bay
- Stage of operation: CR
- How discovered: V
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025091200001

## Discrepancy

TOT FOR ENGINE #2 MISSING WITH FLI DEGRADE IN LOWER MESSAGE ZONE. TOT INDICATION ALSO MISSING FROM ENG STATUS PAGE (VEMD LANE 2). REMOVED AND REPLACED #2 ENG THERMOCOUPLE BOX IAW SAFRAN 77-22-00-900-801-A01.

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