Service difficulty report · Hydraulic Line · Boeing 777222

Difficulty date
March 7, 2011
Submitted
March 17, 2011
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
61,126 hours, 8,956 cycles
Engine
Pwa PW40903
Part
Hydraulic Line
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
NR
How discovered
O
Nature of condition
K, 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 SYS C LOW CENTER HYDRAULIC SYSTEM PRESSURE. SYSTEM PRESSURE LESS THAN 1200 PSI. CAUTION MSG01- ACTIVE APPROACH HARD; RESERVOIR (CENTER) FLUID QUANTITY IS LOW. DB- HYDRAULIC INTERFACE MODULE (HYDIM)(CL) MSG-2910150 ACTIVE AP HARD. FOUND INBD FLEX HYD LINE FOR NOSE WHEEL STEERING LEAKING. FLEX LINE IN NOSE WHEEL WELL AT BULKHEAD TO NOSE GEAR LT SIDE INBD LINE. REPLACED LINE AND SERVICED CENTER HYD AND LEAKED CHECKED LINE.