What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATED WITH MASTER CAUTION RECALL. GROUNDED - YES. (RESOLVED ON W/O: 1974877 TASKCARD: N/R-00003 ) PREFORMED BITE ON PACK TEMPERATURE CONTROL UNITS. FOUND #2 CONTROLLER PREVIOUSLY FAULTING FLT DECK TRIM VALVE. NO CURRENT FAULTS PRESENT UPON VERIFICATION. RESET PROCEEDURE CLEARED MASTER CAUTION RECALL. OPS TEST GOOD REF AMM 21-61-00-700-807-002. PLACARDS REMOVED SEAMC NOTIFIED THIS CLEARS MEL 21-21G.