Service difficulty report · Warning System · Boeing 777222

Difficulty date
October 6, 2013
Submitted
October 8, 2013
Operation
Air carrier
Aircraft
N794UA
Make and model
Boeing 777222
Aircraft serial
26953
Aircraft time
71,089 hours, 9,923 cycles
Engine
Pwa PW40903
Part
Warning System
Condition
Activated
Location
Hydraulic Sys
Stage of operation
IN
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

EICAS MESSAGE HYD PUMP DEM C1. ACCOMPLISHED MEL, REPLACEMENT OF ACP MODULATING SHUT-OFF VALVE. NO HELP