As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA - ON TAKEOFF THE FIRST OFFICER SEAT RECLINED AND WOULD NOT RETURN TO UPRIGHT POSITION. RELEASED ON MEL. OCTOBER 01 - PIT MAINTENANCE REMOVED AND REPLACED THE FIRST OFFICERS SEAT. OPERATIONAL CHECK IS GOOD, REMOVED MEL 25-11-01, CN 3027C10.