AN MD11 AT 1000 FT ON TKOF CLB EXPERIENCES A NOSE HVY ACFT DUE TO THE INCORRECT CTR OF GRAVITY SETTING CAUSED BY THE #2 MAIN TANK FUEL QUANTITY INDICATOR DEFERRED AS INOP.
Synopsis
AN MD11 AT 1000 FT ON TKOF CLB EXPERIENCES A NOSE HVY ACFT DUE TO THE INCORRECT CTR OF GRAVITY SETTING CAUSED BY THE #2 MAIN TANK FUEL QUANTITY INDICATOR DEFERRED AS INOP.
Narrative
THE FLT IN QUESTION IS ACR FLT XYZ; OPERATED ON JUN/XA/99. THE ROUTING WAS ZZZ TO TOKYO; NARITA. CREW CONSISTED OF A CAPT; FO AND RELIEF FO. WHILE PREPARING FOR THE FLT; THERE WERE A NUMBER OF DEFERRED MAINT ITEMS WITH THE MOST IMPORTANT BEING THE #2 MAIN FUEL TANK INDICATING SYS INOP. WITH THE #2 MAIN TANK SYS INOP; WE WERE NOT ABLE TO DOUBLECHK THE ACFT CTR OF GRAVITY VERSUS THE COMPUTED WT AND BAL. WE DEPARTED ZZZ WITH NO FUEL IN THE TAIL TANK WHEN THE COMPUTERIZED WT AND BAL SHOWED FUEL IN THE TAIL TANK. BECAUSE OF THIS; WE DEPARTED WITH AN INCORRECT STABILIZER SETTING. THE CTR OF GRAVITY WAS FURTHER FORWARD THAN ANTICIPATED AND SUBSEQUENTLY LED TO A NOSE HVY ACFT ON TKOF. THERE WERE NO CTL PROBS BUT UPON ACTIVATION OF THE AUTOPLT AFTER TKOF; WE RECEIVED A STABILIZER OUT OF TRIM WARNING. I MISSED THE TAIL FUEL REQUIREMENT; BOTH FO'S MISSED THE TAIL FUEL REQUIREMENT AND MAINT MISSED THE TAIL FUEL REQUIREMENT. IN THE FUTURE; I FEEL THE MEL SHOULD NOT ALLOW ANY FUEL TANK INDICATING SYS TO BE INOP IF TAIL FUEL IS REQUIRED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE #2 MAIN TANK FUEL QUANTITY INDICATING SYS WAS INOP AND DEFERRED. THE RPTR SAID WITH THE #2 MAIN TANK INDICATION INOP THE TAIL TANK FUEL CANNOT BE USED FOR CTR OF GRAVITY MGMNT. THE RPTR SAID THE ONBOARD COMPUTER SHOWED FUEL IN THE TAIL TANK AND CALCULATED THE CTR OF GRAVITY FORWARD. THE RPTR SAID NO FUEL WAS LOADED IN THE TAIL TANK. THE RPTR STATED THE MD11 MEL REQUIREMENTS FOR OPERATING THE ACFT WITH THE #2 MAIN TANK QUANTITY SYS INOP CONSISTS OF 8-10 CONFLICTING AND COMPLEX RESTRS WHICH CAN BE AND ARE CONFUSING. THE RPTR SAID GETTING THE CORRECT DIPSTICK READINGS WAS A PROB AS MAINT DID NOT HAVE THE PROPER CHARTS FOR THE STICK READINGS. THE RPTR SAID WHEN ADVISED OF THIS SIT THE COMPANY SAID THE STICK READINGS WERE NOT AVAILABLE BUT WERE SIMILAR TO THE DC10-30. THE RPTR STATED THE CTR TANK WAS FUELED USING THE GALLONS ADDED FROM THE TRUCK. THE RPTR STATED NO MAIN FUEL SYS SHOULD BE ALLOWED TO BE DEFERRED.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.