What was found
DOOR PAX OPEN CAS MESSAGE DISPLAYED BRIEFLY WHILE CLIMBING THROUGH 11,000 FEET. CLIMBING THROUGH FL210 THE MESSAGE RETURNED. WE RAN THE QRH AND BEGAN THE REQUIRED DESCENT TO 10,000 FEET. AT SOME POINT IN THE DESCENT THE MESSAGE CLEARED AND REMAINED OFF THROUGHOUT THE REMAINDER OF THE FLIGHT. CORRECTIVE ACTION: REPAIR WIRE W101-13238-22 SATISFACTORY WITH NO DEFECTS FOUND. WORK PERFORMED IN REF. EMB 505 SWPM: 20-41-20 AND WMM: 52-70-50. PERFORMED OPS CHECKS OF THE CABIN PASSENGER DOOR SATISFACTORY WITH NO FAULTS FOUND, WORKED IN REF. EMB 505 AMM 52-10-00.