What was found
APU WOULD NOT PRODUCE AIR PRESSURE FOR ENGINE START (USED PUFFER CART FOR START). (<P>TRANSFERRED TO MDDR #119929 IAW MEL 49-11-01-01, CAT 'C', DUE DATE: 10-NOV-19. MAINT PROCEDURES FOLLOWED. PLACARD INSTALLED AND MCC NOTIFIED.</P><P>LP 1231413 - M6: REMOVED AND REPLACED APU IAW B767 AMM 49-11-01, OPS CHECK NORMAL. NO LEAKS NOTED. REF W/O 58958.</P><P>LP 1231414 - M9: REF LP 1231413 - ITEM M6 FOR CORRECTIVE ACTION. THIS CLOSES MDDR #119929. PLACARD REMOVED AND MCC NOTIFIED.</P>)