Service difficulty report · Control Unit · Boeing 757222

Difficulty date
May 1, 2011
Submitted
May 6, 2011
Operation
Air carrier
Aircraft
N551UA
Make and model
Boeing 757222
Aircraft serial
25399
Aircraft time
74,152 hours, 21,441 cycles
Engine
Pwa PW2037
Part
Control Unit
Part number
3B413B
Part serial
93
Condition
Faulty
Location
Hyd Pump
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

LT HYD ELEC PUMP. REPLACED LEFT ELCU, OPS CHECKED GOOD.