What was found
PDIS 728 25-10 7156 26MAY22 MEM OPEN U ON TAKEOFF ROLL, FO S SEAT CAME UNLOCKED AND SLID ALL THE WAY BACK AND OUTBOARD. ENROUTE DETERMINED THAT THE SEAT HAS A FORE/AFT LOCK POSITION THAT IS WEAK AND DOESN T FULLY LOCK WHICH ALLOWS SEAT TO MOVE EASILY. RESULTED IN RTO. PART 26MAY22 15:03 MEM U IDENTIFIED PARTS A300/A310 1ST OFR (IPECO) MPN: 3A218-0008-01-2 CPN: 2511798 QTY: 1 ENT BY: 91340 RPT BY: 91340 PART 26MAY22 15:03 MEM U ORDER PART MPN: 3A218-0008-01-2 CPN: 2511798 QTY: 1 FACT 26MAY22 19:02 MEM U REMOVED & REPLACED F/O SEAT PER AMM 25-11-12-04. OPS CKS GOOD.