What was found
INTERMITTENT CABIN ALT 2 AUTO STATUS MESSAGE (<P>RE-OPENED MDDR # 108907 AS PER MEL 21-31-01A CAT C / DUE 28 MAR 19 PLACARDS INSTALLED. VERIFIED MANUAL MODE OPERATION.</P><P>LP 1033432 - M4: PERFORMED BITE TEST IAW FIM 21-3 FAULT TREE 803 ON AUTO 2 AUTO 2 FAILED CONTROLLER LIGHT ON P/N 2117389-6 SPEC S210T160-43. DMI REMAINS OPEN.</P><P>LP 1033434 - M6: REMOVED AND REPLACED CABIN PRESSURE SELECTOR WITH NEW. NO FIX. EICAS MSG STILL PRESENT. REINSTALLED ORIGINAL SELECTOR. NO FURTHER DEFECTS NOTED. REF AMM 21-31-01. MSG STILL PRESENT, AUTO PRESS UNIT ASSY ON ORDER. THIS DMI REMAINS OPEN. </P><P>LOG PAGE 1033440 - M4: REMOVED AND REPLACED AUTO PRESS UNIT ASSY NR 2 IAW AMM 21-31-02. OPS CHECK GOOD. THIS CLEARS DMI # 108907. MCC NOTIFIED. PLACARDS REMOVED.<BR /></P>)