Service difficulty report · Pump · Boeing 777222

Difficulty date
June 21, 2010
Submitted
June 21, 2010
Operation
Air carrier
Aircraft
N224UA
Make and model
Boeing 777222
Aircraft serial
30225
Aircraft time
34,289 hours, 4,205 cycles
Engine
Pwa PW4090
Part
Pump
Part number
S271W1114
Part serial
57
Condition
Failed
Location
Hyd System
Stage of operation
NR
How discovered
9
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

HYDRAULIC PRESSURE PRI R LOW RT HYD PRIMARY PUMP PRESSURE. REPLACED RT ENGINE HYD PUMP. RAN UP RT ENG IAW JRH, NO LEAK DETECTED AND ALSO EDP SYS PRESSURE INDICATIONS NORMAL.