Service difficulty report · Eec · Boeing 737990ER

Difficulty date
May 8, 2014
Submitted
May 12, 2014
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
476 hours, 161 cycles
Engine
Cfmint CFM567B27E
Part
Eec
Part number
2042M67P04
Part serial
FFFB3532
Condition
Faulted
Location
Nr 1 Engine
Part time
503 hours, 169 cycles
Stage of operation
IN
How discovered
9
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

FOUND FAULT MESSAGE NR 1 ENG 75-30801, T25 SIGNALS DISAGREE. SHORT TERM FAULT. ACFT GROUNDED. REPLACED EEC IAW TASK 73-21-60, OPS CHECKS PASSED IAW FADEC SYS TEST TASK 73-21-00-700-802-F00.