As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O CAN'T RELEASE SHOULDER HARNESS USING TAB AT TOP OF SEATBELT. INSTALLED LAP BELT ASSY PCN 025-6871 IN LIEU OF FIRST OFFICER SEAT LAP BELT ASSY PCN 025-6870 AT THE FIRST OFFICER SEAT LOCATION. TO BE REPLACED AT THE FIRST OFFICER SEAT LAP BELT ASSY (PCN 025-6870) WITHIN 2 FLIGHT CYCLES NOT TO EXCEED PTC 8579. REPLACE SEAT LAP BELT ASSY, OPS OKAY.