What was found
AIR COND ILLUMINATED ON RECALL LEFT PACK LIGHT ON. RESET OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. FOUND NR 1 PACK/ZONE TEMP CONTROL WITH CONTROLLER FAULT-RAM AIR RED FAULT ANNUNC ON DURING BITE TEST AND NR 1 RAM AIR SYS INOP (INLET DOOR WOULD NOT MOVE DURING TEST). SWAPPED 1 & 2 TEMP CONTROLS. PROBLEM FOLLOWS BAD CONTROLLER. SWAPPED BACK TO ORIG POSITIONS. R & R NR 1 PACK/ZONE TEMP CONTROL & TESTED IAW AMM 21-61-20, OPS NORMAL. PERFORM PACK/ZONE TEMP CONTROLLER BITE TEST ON NR 1 & NR 2 SYS - BOTH OPS NORMAL. LT PACK O/H ANNUNC REMAINS EXTINGUISHED ON RECALL. GROUND VERIFICATION SUCCESSFUL.