As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 392 MCO-LGA, CREW DECLARED EMERGENCY DUE TO RIGHT FWD DOOR R1 SHOWS ECAM MESSAGE R1 DOOR ON CLIMB OUT (ECAM DOOR PG IND PASSENGER DOOR OPEN). CREW FOLLOWED QRH AND IT WAS DETERMINED THAT CABIN DOOR WAS NOT OPEN AND IT WAS SAFE TO PROCEED TO LGA. FLIGHT PROCEED TO LGA AND LANDED WITHOUT FURTHER INCIDENT. TECHNICIAN ADJUSTED DOOR HANDLE TARGET PER AMM 52-71-11. OPS CHECK NORMAL.