Service difficulty report · Fuel Line · Boeing 747422

Difficulty date
May 10, 2013
Submitted
May 15, 2013
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
58,005 hours, 6,735 cycles
Engine
Pwa PW4056
Part
Fuel Line
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
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

DURING WALK AROUND FOUND FUEL DRIP NR 2 ENG DRIP IS FROM FUEL OIL COOLER HOSE TO FUEL PUMP. 6 DROPS A MIN STATIC. REMOVED FM11 TUBE AND HOSE ASSEMBLY PER MM73-11-99-401 STEP 2C9(D). INSTALLED FM11 TUBE AND HOSE PER MM73-11-99. CLAMPS STILL NEED TO SECURE TUBE. ACCOMPLISHED STEP (D) 1 A-F, NOT G. (D)2 A-C IS COMPLETED. LP12 TUBE IS TORQUED AND SAFETIED. REPLACED FM11 TUBE. NO LKS DETECTED.