# SDR SDR2006006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2006
- Submitted: February 28, 2006
- Operation: Air carrier
- Aircraft: N434AT
- Make and model: Aerosp ATR72
- Aircraft serial: 434
- Engine: Pwa PW127
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Thermocouple
- Part number: 305829301
- Condition: Defective
- Location: Exhaust
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SDR2006006

## Discrepancy

ON APPROACH, LT ENGINE ITT AT 1200 DEGREES.  ENGINE SHUT DOWN AS PRECAUTIONARY PROCEDURES.  LANDED SUCCESSFULLY, EMERGENCY DECLARED.  DFDR PARAMETERS READ OUT INDICATED THAT NO OVER-TEMP CONDITION ON THE ENGINE EXISTED.  IT WAS ONLY AN INDICATION.  ONE ENGINE THERMOCOUPLE WAS FOUND DEFECTIVE.  REPLACED THERMOCOUPLE AND ENGINE CHECKED OK.  (K)

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