SDR ASAA2022051738386

Service difficulty report · Eec · Boeing 737990ER

Difficulty date: May 17, 2022
Submitted: May 20, 2022
Operation: Air carrier
Aircraft: N481AS
Make and model: Boeing 737990ER
Aircraft serial: 44106
Aircraft time: 25,198 hours, 7,932 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7320 · Fuel Controlling System
Part: Eec
Part number: LMDN57811853M33P
Part serial: LMDN5781
Condition: Faulty
Location: #2 Engine
Part time: 2,822 hours, 811 cycles
Stage of operation: IN
How discovered: V
Nature of condition: J
Precautionary procedure: K

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

What was found

#2 ENGINE HAS SHORT TIME FAULT 73-10342, THE FMV SIGNAL IS OUT OF RANGE. GROUNDED - YES. ACCOMPLISHED EEC BITE TEST, FAULT CODE 73-10342 AND 78-11492 LOGGED ON LEG 1, 5 AND 10. ACCOMPLISHED B737-900 FIM 75-34 TASK 807, ALL WIRING CHECK, CHECKS GOOD. REPLACED #2 ENG EEC REF B737-900 AMM 73-21-60-400-801-F00, OPS NML REF TASK 71-00-00-800-811-F00.