What was found
D: DOOR PAX AFT OPEN WARNING MESSAGE APPEARED FOR APPROXIMATELY 10 SECONDS DURING CLIMB OUT THEN EXTINGUISHED. RAN QRH. PRESSURIZATION WAS NORMAL AND THE FLIGHT ATTENDANT VERIFIED THAT 3 LATCH INDICATORS WERE INDICATING GREENC: MEL 52-70-0CAT: 'C' DUE 10/24/24DOOR PAX AFT OPEN WARNING MESSAGE APPEARED FOR APPROXIMATELY 10 SECONDS DURING CLIMB OUT THEN EXTINGUISHED. RAN QRH. PRESSURIZATION WAS NORMAL AND THE FLIGHT ATTENDANT VERIFIED THAT 3 LATCH INDICATORS WERE INDICATING GREEN. REST OF FLIGHT WAS NORMAL. (FLIGHT 3476 - FILED OPEN)OCT 14, 2024 STATION: SAN--DEFERRED PER MEL 52-70-0LOCATION: DOOR POSITION INDICATION ON MFD AND ASSOCIATED EICAS MESSAGESMAINTENANCE ACTION COMPLIED WITH ACCORDING TO MEL