What was found
APU WOULD NOT START AND FAULT LT ILLUMINATED. GROUNDED - YES. (RESOLVED ON W/O: 1974128 TASKCARD: N/R-00001 ) VERIFIED FAULT CODE 49-41011 IS IN HISTORY AS LAST LEG. C/W FIM TASK 49-40 TASK 802, NOTED POSITIVE FUEL FLOW ON TROUBLESHOOTING REPLACED IGNITER PLUG AND IGNITER LEAD REF AMM 49-41-51, 49-41-52 NO HELP REMOVED AND REPLACED IGNITION UNIT REF AMM 49-41-31 OPS CHECK GOOD. SUCCESFULL APU START ACCOMPLISHED. VERIFIED NO PRESENT FAULTS NOTED. THIS CLEARS MEL 49-1B SEAMC DARWIN NOTIFIED DEFERRAL PLACARDS REMOVED.