What was found
AIRCRAFT WAS NOT GROUNDED: COCKPIT DOOR VERY HARD TO PULL OPEN FROM CABIN SIDE WHEN UNLOCKED AND CLOSED. LUBRICATED STUCK DOOR. PER GPM 17-11-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: COCKPIT DOOR VERY HARD TO PULL OPEN FROM CABIN SIDE WHEN UNLOCKED AND CLOSED. LUBRICATED STUCK DOOR. PER GPM 17-11-4.