What was found
SUPPLEMENTAL DOOR CRG FWD OPEN WARNING MSG 3X DURING CLIMBOUT PRESSURE NORMAL ALL DOORS SHOWED GREEN ON PUSH AND TAXI-C/A-DEFERRED CARGO DOOR INDICATION PER MEL 52-22. VERIFIED DOOR CLOSED PER E175 AMM 52-31-00. 'M' PROC C/W AUTH# 030086M-C. INTEROGATED CMC IAW 175 AMM 45-45-00. FOUND PROX SWITCH TO BE AT FAULT. NO TIME. MEL REMAINS OPEN. REVERSED M PROCEDURES. TROUBLESHOT FWD CARGO DOOR DISPLAYS OPEN INDICATION IAW FIM 52-73-00-810-801-A BLOCK 8. REMOVED AND REPLACED FWD CARGO DOOR PROXIMITY SENSOR #2 IAW AMM 52-73-20. OPS CK GOOD. NO FURTHER DEFECTS NOTED. MEL RESTORED.