Service difficulty report · Hydraulic Line · Boeing 777222

Difficulty date
September 18, 2013
Submitted
September 27, 2013
Operation
Air carrier
Aircraft
N791UA
Make and model
Boeing 777222
Aircraft serial
26933
Aircraft time
69,228 hours, 9,937 cycles
Engine
Pwa PW40903
Part
Hydraulic Line
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

HYD QUANTITY LOW CENTER HYD SYSTEM LOW RESERVOIR QUANTITY. QTY < .40 ADVISORY MSG01- ACTIVE APPROACH HARD; RESERVOIR CENTER FLUID QUANTITY IS LOW. HYDIM CL MSG-2910150 ACTIVE AP HARD. IAW TO IPC 32-51-80-005 ITEM 40 HYD HOSE LEAKING. REPLACED HYD HOSE & SERVICE CENTER HYD SYSTEM TO FULL . FLIGHT CONTROL, SPOILER, SPEED BRAKE, STEERING SYSTEM & BRAKE SYSTEM CHECKED OK.