What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO UNLOCK WHEN ROTATING KNOB CLOCKWISE. CLEANED AND LUBED FLT DECK DOOR MECHANISM, OPERATED SEVERAL TIMES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO UNLOCK WHEN ROTATING KNOB CLOCKWISE. CLEANED AND LUBED FLT DECK DOOR MECHANISM, OPERATED SEVERAL TIMES.