Service difficulty report · Ecu · Boeing 737890

Difficulty date
October 1, 2012
Submitted
October 3, 2012
Operation
Air carrier
Aircraft
N516AS
Make and model
Boeing 737890
Aircraft serial
39044
Aircraft time
14,517 hours, 4,643 cycles
Engine
Cfmint CFM567B273
Part
Ecu
Part number
2118966222
Part serial
68G0250
Condition
Failed
Location
Apu
Part time
14,517 hours, 4,643 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

WHILE LOADING APU SOFTWARE APU ECU FAILED. REPLACED ECU WITH SERVICABLE ONE. VERIFIED SOFTWARE PRE LOADED IN ECU REF. NG-49EO-03483-1. ACCOMP. INST. TEST, TEST PASSES REF. M/M 49-61-12-400-801.