Service difficulty report · Control Unit · Boeing 757222

Difficulty date
July 15, 2011
Submitted
August 12, 2011
Operation
Air carrier
Aircraft
N560UA
Make and model
Boeing 757222
Aircraft serial
26660
Aircraft time
66,618 hours, 20,162 cycles
Engine
Pwa PW2037
Part
Control Unit
Part number
734285D
Part serial
154
Condition
Faulty
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT RECIRCULATION INOPERATIVE WITH EQUIPMENT OVERHEAT EICAS & LIGHT WITH OEV OPEN EQUIPMENT CLOG FLOW STATUS MESSAGES. REPLACED BPCU PER MM AND RELAY K10079 POWER TRANSFER RELAY REF WDM, RAN ENGINE PER JRH. ALL SYSTEMS OP OK. RESET ALL SYSTEMS, NO MESSAGES OR FAULTS.