Service difficulty report · Tube · Boeing 747422

Difficulty date
August 16, 2013
Submitted
August 21, 2013
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
63,857 hours, 7,403 cycles
Engine
Pwa PW4056
Part
Tube
Condition
Leaking
Location
Fuel 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

NR 3 ENGINE, FUEL DRIPPING FROM INSIDE THRUST REVERSER COWL AT A RATE OF 40 DROPS A MINUTE. ACCOMPLISHED IDLE AFTER ENG SHUTDOWN FOUND FUEL LEAKING FROM FM 11 TUBE AND SHROUD TORN. REMOVED FM11. LEAK CHECKED AND TEST IAW MM. SECURE (PARTIAL). VERIFIED SAFETY AND SECURITY OF FM11 B-NUT AT FUEL OIL COOLER. LEAK CHECKED. NO LEAKS FOUND.