As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O SEAT BACK WILL NOT STAY LOCKED IN PLACE. WHEN WEIGHT OR PRESSURE IS PUT ON SEAT BACK, IT UNLOCKS AND MOVES TO FULL AFT (RECLINE) POSITION. F/O SEAT REMOVED AND REPLACED IAW M/M 25-10-42 OPS CK GOOD. OLD P/N 808737-619, OLD S/N 324, NEW P/N 808737-625, NEW S/N 293.