Service difficulty report · Eec · Boeing 737890

Difficulty date
March 12, 2018
Submitted
March 13, 2018
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
43,011 hours, 12,878 cycles
Part
Eec
Part number
2042M67P02
Part serial
LMDR4618
Condition
Failed
Location
Nr 2 Engine
Part time
38,463 hours, 13,540 cycles
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

P6-2 PANEL NR 2 ENGINE EEC ALTN POWER CIRCUIT BREAKER OPEN. GROUNDED - YES. NR 2 ENGINE EEC BITE SHOWED FAULT 73-11282 "EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE" LOGGED FOR LEGS 0 AND 1. ATTEMPTED C/B RESET PER MM 20-60-01-810-801, WOULD NOT RESET. ACCOMPLISHED T/S PER FIM 73-27 TASK 805. REMOVED AND REPLACED NR 2 ENGINE EEC PER AMM 73-21-00-000-801-F00/AMM 73-21-00-400-801-F00. VERIFIED EEC SOFTWARE 2044M25P19 INSTALLED AND PERFORMED FADEC SYSTEM TESTS PER AMM 73-21-00-700-802-F00 - ALL TESTS PASS.