A B737-300 WAS DISPATCHED WITH THE L ENG PWR MGMNT CTL DEFERRED AS INOP. ON TAXI OUT; L ENG N1 SEIZED; CAUSED BY OVERTEMP OF ENG.

Narrative

DISPATCHED PWR MGMNT CTL [ELECTRONIC FUEL CTL] INOP. NORMAL ENG START ON BOTH ENG. I MONITORED ROLL BACK AT APPROX 630 DEGS ON #1 ENGS. PWR ADVANCED FOR TAXI OUT OF GATE TO TXWY C. WE MANEUVERED BTWN 2 ACFT SO I WAS PRIMARILY LOOKING OUTSIDE. THE MASTER CAUTION LIGHT AND L GENERATOR LIGHT CAME ON. PWR SWITCHED BACK TO APU GENERATOR. WE STOPPED TO SORT OUT PROB. NOTICED #1 ENG HAD FLAMED OUT. WHILE COORDINATING WITH RAMP; MAINT; AND MAINT CTLR; ATTEMPTED TO START THE ENG. NORMAL DUCT PRESSURE AND ROTATION OF N2. NO N1 OBSERVED; SO START ABORTED BEFORE FUEL INDUCED IN ACCORDANCE WITH QRC FOR HUNG START. TAXIED BACK TO GATE. MAINT ADVISED N1 WAS FROZEN. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE PWR MGMNT CTL SYS WAS DEFERRED AS INOP AND THE ENG WAS OPERATING ON JUST THE MAIN FUEL CTL WITH NO ELECTRONIC CORRECTION. THE RPTR SAID THE AIRPLANE WAS BEING TAXIED BTWN PARKED AIRPLANES AND THE COPLT AND I WERE LOOKING OUTSIDE AND NOT AT THE ENG INSTS. THE RPTR STATED WHEN THE MASTER CAUTION LIGHTS AND GENERATOR LIGHT CAME ON WE NOTED THE ENG HAD FLAMED OUT. THE RPTR SAID A RESTART REVEALED THE N1 HAD SEIZED. THE RPTR STATED THE ENG WAS CHANGED AND WHEN THE FLT RECORDER WAS READ IT INDICATED THE ENG HOT SECTION TEMPS WERE OUT OF LIMITS FOR 4 MINS CAUSING THE SEIZURE.