Service difficulty report · Line · Boeing 777222

Difficulty date
December 16, 2009
Submitted
December 21, 2009
Operation
Air carrier
Aircraft
N779UA
Make and model
Boeing 777222
Aircraft serial
26941
Aircraft time
54,442 hours, 9,970 cycles
Engine
Pwa PW4077
Part
Line
Part number
AS4568J0460SS
Condition
Leaking
Location
Hyd System
Stage of operation
AP
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

CTR HYD SYS FAILED AFTER LOWERING GEAR. PRESSURE LESS THAN 1200 PSI. RESERVOIR (CENTER) FLUID QUANTITY IS LOW. FOUND NOSE GEAR STEERING HYD HOSE RUPTURED. RPL HOSE. REPLENISHED CTR HYD SYSTEM. LEAK CHK SATISFACTORY. A-C RELEASED FOR SERVICE.