Service difficulty report · Control Valve · Boeing 747132

Difficulty date
September 27, 2000
Submitted
November 21, 2000
Operation
Air carrier
Aircraft
N479EV
Make and model
Boeing 747132
Aircraft serial
19898
Part
Control Valve
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
CL
How discovered
W
Nature of condition
K, J
Precautionary procedure
A

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

What was found

KLCK - EIA 208 - AFTER T/O, TOWER REPORTED FUEL MIST APPEARED TO BE COMING FROM WING BEHIND NR 1 ENG. CREW CONFIRMED MIST TRAILING BEHIND WING, WING TE HAD FUEL RUNNING OFF WING BEHIND NR 1 ENG. RETURNED LCK. OPENED SAILBOAT FAIRING/PYLON ACCESS PANELS, NO EVID OF FUEL. OPENED CORE COWLINGS, INSP FUEL HEATER, LINES, REMOVED DRAIN CAP, NO FLUID FND. INSP AREA, FND NO MORE EVID OF FUEL LEAKAGE. EXTENDED GROUP 1, 2 LED'S, INSP FWD SPAR AREA, NO EVID OF FLUID LEAKS. OPENED NR 1 PYLON DRY BAY ACCESS PNL, NO EVID OF FUEL. OPENED PNL 591AB, FND AREA WET WITH FUEL, REFUEL VLV CNTRL UNIT FOR NR 1 REFUEL TANK LEAKING. REPLACED FUEL FILL CNTRL VLV PER 28-21-02. IDLE/PWR ENG RUNS, NO LEAKS. ALL AREAS CHK OK. (X)