As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O SLIDING WINDOW DOES NOT CLOSE. GROUNDED - YES. FOUND LWR FWD ROLLER BEARING CAME OFF AND DAMAGED THREADS TO RETAINING BOLT AND DAMAGED SET SCREW. REMOVED AND REPLACED F/O SLIDING WINDOW REF AMM 56-12-11. ALL OPS CHECK AND WINDOW CLEARANCE PASS. WINDOW HEAT OPS TEST PASSED REF AMM 30-41-00.