What was found
SEA - DURING PREFLIGHT CHECK, FIRST OFFICERS SLIDING CLEARVIEW WINDOW WOULD NOT OPEN. LUBRICATED FORWARD LOCKING MECHANISM. WINDOW THEN OPERATED PROPERLY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING PREFLIGHT CHECK, FIRST OFFICERS SLIDING CLEARVIEW WINDOW WOULD NOT OPEN. LUBRICATED FORWARD LOCKING MECHANISM. WINDOW THEN OPERATED PROPERLY. (M)