As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 1L WOULD NOT OPEN AFTER TAXI IN DOOR WAS DISARMED DOOR 1R OPERATES NORMALLY. DEF IN REF TO MEL 52-10-1-2-0-1 DEF# M 807390 PLACARD INSTALLED DMP C/W. PERFORMED OPS CK ON L-1 PASSENGER DOOR NORMAL MODE IAW AMM 52-10-700-801. OPS CK OKAY BOTH USING INTERNAL AND EXTERNAL CONTROLS. OK FOR DEPARTURE. PLACARD REMOVED. (WAS 1ST TIME WRITE-UP)