What was found
APU INOP.(<P>TRANSFERRED TO MDDR #120796 PER MEL 49-11-01A, CAT 'C,' DUE DATE: 28NOV19. MCC NOTIFIED AND PLACARDS INSTALLED.</P><P>LP 1113302 - M4: STARTED APU AND PERFORMED BITE TEST, NO FAULTS NOTED. RAN L AND R PACKS, AND WITH LT PACK ONLY ON, THE DUCT PRESSURE SURGES. REQUIRES FURTHER TROUBLESHOOTING IAW B767-300 FIM 49-11 FT 987. </P><P>LP 1113320 - M4: REMOVED & REPLACED TOTAL PRESSURE TRANSDUCER (OFF PART: PN: 3876084-2, SN: NSN) & DIFF PRESSURE TRANSDUCER. OPS CHECK COMPLETE, NO DEFECTS NOTED AT THIS TIME IAW AMM 49-53-02 AND AMM 49-53-04. THIS CLEARS DMI 120796. PLACARDS REMOVED AND MCC NOTIFIED.</P>)