Service difficulty report · Line · Boeing 777222

Difficulty date
March 26, 2010
Submitted
March 26, 2010
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
57,419 hours, 11,238 cycles
Engine
Pwa PW4077
Part
Line
Condition
Leaking
Location
Hyd System
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

EVIDENCE OF HYD LEAK IN LT WHEEL WELL. FLUID HAS SOAKED BELLY PANEL AFT OF GEAR. FOUND HYD LEAK IN LT WHEEL WELL AFT BULKHEAD. WITH ENG RUN LEAKING 20DPM AT LINE TO TEE. REPLACED HYD LINE 180, STILL LEAKING FROM TEE. REPLACED TEE ITEM 300 STILL LEAKING AT FITTING TO THE REPLACED HYD LINE 180.