Service difficulty report · Ecu · Boeing 757222

Difficulty date
December 4, 2011
Submitted
December 5, 2011
Operation
Air carrier
Aircraft
N596UA
Make and model
Boeing 757222
Aircraft serial
28749
Aircraft time
53,997 hours, 15,116 cycles
Engine
Pwa PW2037
Part
Ecu
Part number
211734220
Part serial
53
Condition
Malfunctioned
Location
Bleed Air Sys
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

LOW PNEUMATIC PRESSURE 5 PSI. UNABLE TO REVIVE AIR PRESSURE. ONLY 5PSI. NEED GROUND START. REPLACED ECU PER MM SINCE IT WOULDN'T RESET AFTER LAMP TEST. REPLACED FLOW SENSE MODULE PER MM AS PER FIM AND WIRING CHECKS WERE GOOD.