SDR SDR2006006

Service difficulty report · Thermocouple · Aerosp ATR72

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
Part
Thermocouple
Part number
305829301
Condition
Defective
Location
Exhaust
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
E

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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)