What was found
CABIN ALT EICAS AT FL 39.0 OUTFLOW VALVE UNCONTROLLABLE. ITEM 1: FOUND UNDER WING FAIRING SUPPORT AIR CONDITIONING GROUND SEV CONNECTION DUCT SUPPORT BRACKET ASSEMBLY DAMAGE AND ATTACHED AIR CONDITIONING DUCT DISCONNECTED. ACCOMPLISHED REPAIR, PER EO NO 6753A884. LEAK CHECK GOOD. ITEM 2: REMOVED AND REPLACED BOTH CABIN ALT CONTROLLERS AUTO 1 & AUTO 2, IAW B767 AMM 21-31-02. NO DEFECTS NOTED, OPS CHECK OF AUTO 1 & AUTO 2 GOOD, IAW B767 FIM 21-31 FAULT TREE 803 AT THIS TIME. ITEM 3: REMOVED AND REPLACED CABIN ALT CONTROLLER ON P5 PANEL, IAW B767 AMM 21-31-01. OPS CHECK, IAW B767 AMM 21-31-01. NO DEFECTS NOTED AT THIS TIME. C/W SYSTEM TEST OF EQUIPMENT COOLING, IAW B767 AMM 21-58-00. NO DEFECTS NOTED AT THIS. C/W EXCESSIVE CABIN PRESSURE LEAKAGE TEST, IAW B767 AMM 05-51-24. OFF PARTS: P/N 2117388-6, SN 108-1547, PN 130502-7, SN 114-A0307.