What was found
FT # 120, RETURNED TO THE FIELD. 2 MINUTES AFTER T/O. PACK 2 FAULT. TRIED NUMEROUS TIMES TO RESET UNSUCCESSFULLY. COMPLIED WITH ECM & QRH. ON BLEED PAGE, PACK 2 VALVE CLOSED AND AMBER W/FLOW STUCK IN LOW. *REPEAT PACK 2 FAULT FROM YESTERDAY; REF LP# 2544481 ITEM 1 R/R # 2 PACK CNTRL. ALSO R/R NAPRSOV AS PREC. MULTIPLE FAULTS IN HISTORY. OPS CHECK OK REF AMM 36-11-52. REPLACED 2 PACK CONTROLLER IAW AMM 21-61-00. OPS CHECK OK.