What was found
OXYGEN MASK DOOR IN PSU DOES NOT LATCH 50A 50B 50C PLEASE NOTE: THIS HAD OCCURRED PREVIOUSLY. FOLLWED MEL 3521V AND DDG 35-21-02. PSU AND HAS BEEN STOWED AND SECURED. SEAT 50A/B/C HAS BEEN DEFERRED REF LOG PAGE 6210927. SEATS ARE PLACARDED AND BLOCKED FOR USE. NOC DESK: 787 NAME: DM DATE: 19-JUN-21- TOMC APPROVED TOMC APPROVED AND FULLY ACCOMPLISHED MEL REQUIMENTS. FOUND LATCH ASSY PN 78-3520-3-0003, IPC REF 35-21-06-10B, NOT CATCHING PIN ON DOOR. LATCH ASSY NIS IN EWR. FURTHER DETAILS AWAITED