Service difficulty report · Thermocouple · Boeing 737824

Difficulty date
June 16, 2017
Submitted
June 16, 2017
Operation
Air carrier
Aircraft
N33262
Make and model
Boeing 737824
Aircraft serial
32402
Aircraft time
53,637 hours, 17,734 cycles
Engine
Cfmint CFM567B262
Part
Thermocouple
Part number
3404025050
Part serial
7193
Condition
Faulty
Location
Nr 2 Engine
Part time
46,359 hours, 16,369 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

NR 2 ENGINE OVER REDLINE, 5 SEC, JUST AFTER LIFTOFF. REDUCED THROTTLE AND TEMP CAME BACK TO NORMAL. EMERGENCY DECLARED. REPLACED THE T495S4 THERMOCOUPLE PROBE IAW AMM 77-21-01