# SDR QMLA2015040115026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2015
- Submitted: April 9, 2015
- Operation: Air carrier
- Aircraft: [N611PA](https://openairdocs.org/aircraft/N611PA), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53573
- Aircraft time: 1,280 hours, 2,278 cycles
- Engine: Allsn 250C47B
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Thermocouple
- Part number: 23009851
- Condition: Broken
- Location: Rt Engine
- Stage of operation: LD
- How discovered: O
- Nature of condition: M, N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2015040115026

## Discrepancy

UPON APPROACH, INST CAUTION LIGHT ILLUMINATED, UPON INSPECTION OF INST'S FOUND MGT GAUGE SHOWED EXCEEDANCE.  PERFORMED A THERMO COUPLING TEST BOX, ON TEST ON GAUGE.  PERFORMED HOT END INSPECTION ON ENG, FOUND THERMO COUPLING BLOCK HAD LOOSE TERMINAL.  REPLACED BLOCK.

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