Service difficulty report · Hydraulic Line · Boeing 747422

Difficulty date
October 10, 2013
Submitted
October 10, 2013
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
92,112 hours, 11,088 cycles
Engine
Pwa PW4056
Part
Hydraulic Line
Condition
Leaking
Location
Rt Mlg Ww
Stage of operation
IN
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 LEAK FROM "UP 2" PRESS LINE APPROXIMATELY 4 FEET FROM GROUND SPEED BRAKE VLV UNDER CLAMP. REMOVED LINE IAW IPC 27-61-67-001 ITEM 305. ACCOMPLISHED RYNGLOK REPAIR IAW GNMM 1-0-13-028. NEED TO LEAK CHECK LINE WITH HYD PRESS. LINE LOCATED IN RT WLG WW. COMPLETED LINE INSTALLATION & LEAK CHECKED NO LEAKS FOUND