Service difficulty report · Eec · Boeing 737890

Difficulty date
April 14, 2014
Submitted
April 17, 2014
Operation
Air carrier
Aircraft
N537AS
Make and model
Boeing 737890
Aircraft serial
35204
Aircraft time
8,793 hours, 2,568 cycles
Engine
Cfmint CFM567B27
Part
Eec
Part number
2042M67P04
Part serial
FFFB2488
Condition
Faulted
Location
Nr 2 Engine
Part time
8,816 hours, 2,582 cycles
Stage of operation
IN
How discovered
V
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

FAULT CODE DURING EEC BITE TEST -77-11132, N-2 SPEED SENSOR SIGNAL DISAGREE. ACFT GROUNDED. VERIFIED DEFECT, ALSO FOUND FAULT CODE 77-11182 LOGGED IN RECENT FAULTS. FOLLOWED FIM 77-11, TASK 802, REQUIRES EEC REPLACEMENT. R & R NR 2 EEC REF MM 73-21-60-000-801-F00, REQUIRES, OPS CHECK. ACCOMPLISHED SOFTWARE AND GROUND VERIFICATION CHECK REF EEC, R & R 73-21-60 AND FIM 77-11, TASK 802, ALL TEST PASSED.