Service difficulty report · Pump · Boeing 757222

Difficulty date
April 30, 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
Pump
Part number
731966
Part serial
1327
Condition
Failed
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NUMEROUS TIMES IN CLIMB AND CRUSE, LEFT ELEC HYD PUMP LOW PRESSURE LIGHT AND EICAS LT HYD ELEC. DUE TO PREVIOUS HISTORY REPLACE LT ELECT PUMP. REPLACED LEFT ELEC HYD PUMP AND FILTERS.