What was found
AIRCRAFT WAS NOT GROUNDED: FO'S SLIDING WINDOW REQUIRES EXCESSIVE FORCE TO OPEN & CLOSE. LUBRICATED SLIDING WINDOW IAW AMM 56-12-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FO'S SLIDING WINDOW REQUIRES EXCESSIVE FORCE TO OPEN & CLOSE. LUBRICATED SLIDING WINDOW IAW AMM 56-12-11.