What was found
FLT DECK DOOR LOCK FAILED AFTER PUSHBACK AND WOULD NOT RESET. MEL 5251C APPLIED BY FLIGHT CREW NOC.MEL 5251C APPROVED MEL 5251C APPLIED *DM* RECOMMEND FIM 52-52 FAULT TREE 812 FOR INITIAL T/S ON INITIAL EVAL COULD NOT GET FLT DK ELECTRIC DOOR LOCK TO FAIL. OPERATED DOOR SEVERAL XS ALL XS ELECTRIC LOCK FUNCTION NORMAL. REF MM52-51-00-715-033. DUE TO RECENT FAULTS WITH FLT DK ELECTRIC LOCK SYS, REPLACED CHIME MODULE IAW MM52-51-10, AND PROGRAMED ACCESS CODE AND TIME DELAY FUNCTIONS IAW MM52-51-00-902-001-001 AND MM52-51-00-902-003-0 01. FLT DK ELECTRIC DOOR LOCK FUNCTIONS CHKD GOOD, DECAL AND PLCD HAVE BEEN REMOVED. ALSO REF IPC 52-51-03-01 FOR PTS DATA, AND SSM 52-51-01-101.1 FOR ELECT OPS.