What was found
PACK 1 EICAS ADVISORY MESSAGE AFTER TAKEOFF. ORH 224 DID NOT CORRECT PACK 1 SELECTED OFF. PACK 1 STATUS AFTER RETURN TO SUU.(<P>REMOVED AND REPLACED RAM INLET DOOR ACTUATOR CONNECTOR IAW B747-400 WDM 21-62-11 ON PACK #1 AND STANDARD WIRING WIRING PRACTICES 20-85-11. OPS CHK GOOD. REMOVED AND REPLACED PACK 1 COMPRESSOR DISCHARGE OVERHEAT SWITCH IAW B747-400 AMM 21-51-09. OPS CHECK GOOD AT THIS TIME. REMOVED AND REPLACED RAM INLET DOOR ACTUATOR PER AMM 21-62-03. OPS CHECK GOOD, NO MSG PRESENT AT THIS TIME. PACK #1 PTC A & B CHECKS GOOD, NO DEFECTS NOTED</P>)