Service difficulty report · Pump · Boeing 777222

Difficulty date
August 29, 2013
Submitted
August 30, 2013
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
65,448 hours, 9,077 cycles
Engine
Pwa PW40903
Part
Pump
Condition
Unknown
Location
Hydraulic Sys
Stage of operation
NR
How discovered
O
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

HYDRAULIC PUMP DEM C1 LOW CENTER HYDRAULIC DEMAND PUMP NR 1 PRESSURE WHEN COMMANDED ON OR CENTER DEMAND PUMP NR 1 OVERHEATED.