Service difficulty report · Pump · Boeing 777222

Difficulty date
February 8, 2010
Submitted
February 15, 2010
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
56,363 hours, 8,285 cycles
Engine
Pwa PW4090
Part
Pump
Part number
6613304
Part serial
51
Condition
Faulty
Location
Hyd System
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

RT ELEC HYD DEMAND PUMP INOPERATIVE. SWAPPED RT ELEC PUMP AND CTR ELEC PUMP NR C2 IAW MM AND NOW RT ELEC PUMP TESTS NORMAL. DF ITEM CREATED FOR C2 ELEC PUMP. PUMP STOPPED WORKING AND REPLACED ELCU M29203 AND OPS NORMAL. DF ITEM CREATED FOR C2 ELEC PUMP. PUMP STOPPED WORKING. REPLACED ELCU M29203 AND OPS ARE NORMAL.