What was found
UNABLE TO COOL, FLT DECK TEMP 80 TO 83, CARRIED OUT EC/RA 2125-01204. REINSTALLED INNER DUCT & LT PACK LWR RECIRC FAN CHECK VALVE INTERIM REPAIRED. FLT DECK TEMP NORMAL. INSPECTED LT ECS BAY, FOUND INNER RECIRC DUCT WAS DETACHED & FLAPPER OF THE LWR RECIRCULATION FAN BROKEN. CARRIED OUT EC/RA # 2125-01204 PART 1 - UNTIL INTERIM REPAIR STEP 8. THE DUCT IS IN GOOD CONDITION AND NOT DAMAGED. REINSTALLED THE INNER DUCT & RECIRC FAN PER AMM 21-25-17-03B AND 21-52-27-00A. OPERATED THE AIR CONDITIONING PACKS AND NO LEAKS AND ABNORMAL NOISES NOTED.