What was found
23 DEF OXY MASKS ARE DANGLING. SEATS 23DEF INOP DUE TO OXYGEN MASK REPACK IAW AMM. TO ASSIST WITH UAL EG IDENTIFYING MODE OF FAILURE, ROUTE ALL REMOVED (NON HAZMAT) PARTS. SEAT 23DEF O2 MASK PANEL WILL NOT STAY STOWED. TRIED RESETTING, NO HELP. REPACKED IAW MM, LATCH MECHANISM CHECKS GOOD.