Service difficulty report · Transmitter · Boeing 737824

Difficulty date
June 16, 2017
Submitted
June 17, 2017
Operation
Air carrier
Aircraft
N27246
Make and model
Boeing 737824
Aircraft serial
28956
Aircraft time
54,814 hours, 20,168 cycles
Engine
Cfmint CFM567B262
Part
Transmitter
Part number
APTE8A20007BARD
Part serial
1095
Condition
Shorted
Location
Nr 2 Eec
Part time
39,017 hours, 14,028 cycles
Stage of operation
NR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

WHILE NR 2 ENGINE WAS RUNNING,,THERE WAS NO THROTTLE MOVEMENT RESPONCE, AFTER ENGINE SHUTDOWN AND RESTART, THE THROTTLE MOVEMENT AND RESPONCE STARTED ONCE AGAIN. FOUND CHANNEL B OF THE NR 2 ENGINE OIL PRESSURE LVDT T429 SHORTED CAUSING PEO LVDT & TRA SIGNAL TO FAIL IN EEC INPUT MONITORING. REMOVED AND REPLACED THE NR 2 ENGINE OIL PRESSURE SENSOR IAW AMM 79-32-01-000-801, AND 79-32-01-400-801. RAN THE NR 2 ENGINE. OPS.AND LEAK CHECKED GOOD. NO FAULTS NOTED ON EEC BITE, NR 2 ENGINE THROTTLE RESPONSE VERFIFIED NORMAL