# SDR QMLA2025110220110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2025
- Submitted: November 5, 2025
- Operation: Air carrier
- Aircraft: [N142AH](https://openairdocs.org/aircraft/N142AH), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9866
- Aircraft time: 2,354 hours, 4,580 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: Illuminated
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2025110220110

## Discrepancy

BOTH ENGINE CAUTION LIGHTS ILLUMINATED ENG PA DIS WITH ASSOCIATED YELLOW FONT TOT OF 482/456.  INSPECTED NO.1/ NO.2 ENG. TOT THERMOCOUPLES, APPLICABLE WIRING, AND THERMOCOUPLE BOX ELECTRICAL CONNECTOR T4 FOR OVERALL CONDITION AND SECURITY. CLEANED T4 CONNECTOR CONTACTS AND REINSTALLED IAW SAFRAN HELICOPTER EMM ARRIEL 1 E2 77-22- 00-900-802-A01. GROUND RUN COMPLETED; CAUTION LIGHT COULD NOT BE DUPLICATED. NO FURTHER DISCREPANCIES NOTED.

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