Service difficulty report · Ecu · Boeing 737890

Difficulty date
July 1, 2016
Submitted
July 5, 2016
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
30,969 hours, 9,461 cycles
Part
Ecu
Part number
2118966222
Part serial
38G0129
Condition
Faulted
Location
Apu
Part time
30,980 hours, 9,465 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

CURRENT STATUS FOR THE APU SHOWS MAINT MESSAGE 49-61259 SPEED SENSOR 1 SHOWS OPEN CIRCUIT ACFT GROUNDED. APU TROUBLESHOT IAW FIM 49-60 TASK 817 AND WDM 49-62-12. ECU REMOVED AND REPLACED IAW AMM 49-61-12. OPS CHECKED GOOD.