What was found
APU FAILED AND SHUTDOWN BEFORE ENG START(<P>PLACED ON MDDR 127985 PER MEL 49-11-01A, CAT 'C'.</P><P>08MAY20, BWI LP 1150050, ITEM M5: PERF APU BITE IAW FIM 49-11 FT 958. FOUND NO FAULTS. APU OPERATING NORMAL AND STARTING PARAMETERS SHOW NO SIGNS OF A BAD START. THIS CLEARS DMI 127985. DP @ 16:05Z.</P>)