A B737-300 IMMEDIATELY AFTER TKOF DECLARED AN EMER AND DIVERTED DUE TO HEAVY RIGHT WING CAUSED BY FUEL UNBALANCE. CAUSED BY INCORRECT FUELING PROCS.
Synopsis
A B737-300 IMMEDIATELY AFTER TKOF DECLARED AN EMER AND DIVERTED DUE TO HEAVY RIGHT WING CAUSED BY FUEL UNBALANCE. CAUSED BY INCORRECT FUELING PROCS.
Narrative
PROB BEGAN DURING TURN. NEW CAPT/FO ON ACFT. FUELING PERSONNEL CAME TO COCKPIT AND NOTIFIED CAPT OF A FUELING ERROR. FUELER HAD PUT TOO MUCH FUEL IN OUR TANK AND NOT ENOUGH IN THE OTHER MAIN. TOLD FUELER TO GET BALANCE WITHIN 1000 LBS AND CEASE FUELING OPS. CAPT LEFT COCKPIT TO SUPERVISE/COORDINATE ACTIVITIES. FUEL WAS BALANCED WITH 8500 LBS IN EACH MAIN AS NOTED DURING THE PREFLT/ORIGINATING CHKLIST. START/TAXI AND TKOF INITIATION WERE NORMAL. IMMEDIATELY AFTER ROTATION CAPT (PF) NOTED A HEAVY RIGHT WING. SIMULTANEOUSLY; THE LEFT MAIN FUEL GAUGE BEGAN TO WIND DOWN TO 3000 LBS AND THE LEFT FORWARD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED; ACCOMPANIED BY THE MASTER CAUTION. THE CAPT ATTEMPTED TO BALANCE THE FUEL LOAD; BUT DESPITE CROSSFEED; LEFT MAIN QUANTITY KEPT FAILING. THE LEFT CROSSFEED; LEFT MAIN QUANTITY KEPT FALLING. THE LEFT MAIN GAUGE STOPPED DECREASING AT 14000 LBS. THE CAPT STOPPED CROSSFEED; DECLARED AN EMER AND EXECUTED AN UNEVENTFUL FLAPS 30 APCH TO RWY 4. FUEL LOAD AT TOUCHDOWN WAS 1400 LBS LEFT AND 8500 LBS RIGHT MAIN TANKS. THE 1000 POUND LIMITATION OF FUEL IMBALANCE WAS EXCEEDED. THERE WAS NO EVIDENCE OF FUEL LEAKAGE UPON LNDG. MAINT TOOK THE ACFT FOR TROUBLESHOOTING. THEY ARE ATTEMPTING TO SOLVE THE MYSTERY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED; AS THE FO; HE WAS BUSY WITH THE REQUIRED PREFLT CHECKS AND COCKPIT SETUP AND THE CAPT WAS INVOLVED WITH THE FUELING PROB. THE RPTR SAID HE WAS NOT CERTAIN THE FUEL TANK DRIP STICKS WERE PULLED TO VERIFY THE FUEL LOAD BUY BOTH THE L AND THE R TANK UNDERWING AND COCKPIT INDICATORS WERE AT 8500 LBS. THE RPTR STATED AFTER ROTATION IT WAS OBVIOUS THE LEFT WING WAS LIGHT AND AN EMER WAS DECLARED AND DIVERSION EXECUTED. THE RPTR SAID MAINT HAS NOT RELEASED ANY RPT OF COMPONENT FAILURE OR MAINT ACTION TAKEN.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.