What was found
NUMBER 2 ENGINE COWL ANTI ICE LIGHT ILLUMINAT INFLIGHT. RAN THE CHECK LIST AND IT WOULD NOT REMOVED & REPLACED #2 ENG ANTI ICE COWL VALVE REF AMM 30-21-11, NO HELP. SUSPECT #2 ENG OVERPRESSURE SWITCH REQUIRES REPLACEMENT, DEFER TO MEL 3003D. #2 ENG COWL ANTI-ICE VLV LOCKED OPEN. REF MEL 3609B ON LP 4104867, #2 ENG HIGH STAGE VALVE HAS BEEN DEFERRED IN COMPLIANCE WITH MEL CARD 30080. C/W MEL 3003D (M) PROCEDURES, #2 ENG ANTI ICE VALVE LOCKED IN OPEN POSITION CAPPED AND STOWED OVERPRESSURE SWITCH, PLACARD INSTALLED. REF L/P 4104957 FOR ANTI ICE VALVE REPLACEMENT INFO. REVERSED MEL ON #2 ENG HPV, TAIV, CAI OVER PRESSURE SWITCH. REMOVED AND REPLACED #2 ENG CAI OVER PRESSURE SWITCH REF FIM 30-21 TASK 801. INSTALLATION TEST GOOD. HAD #2 ENG RAN. LIGHT DID NOT REILLUMINATE AND NO ABNORMAL INDICATIONS NOTED AT THIS TIME.