What was found
ON INITIAL ENGINE START (R-CVG) (L-DEN), APU BLEED AIR PRESSURE IS FLUCTUATING BETWEEN 15 AND 25 PSI, RESULTING IN MAX MOTORING OF 19.5 N2 ONLY.(<P>TRANSFERRED TO DMI 124990, CAT C, DUE 04MAR20 IAW MEL 49-11-01-01.</P><P>LP 1196990: PERFORMED APU BITE IAW FIM 49-11 FT 958, MINI FLAG 36 PRESENT. REMOVED AND REPLACED ECU IAW AMM 49-61-05. OPS CHECK GOOD IN PACK ECS AND IDLE MODES PER AMM 36-00-21. THIS CLEARS DMI 124990. PLACARD REMOVED.</P>)