As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN IN FLIGHT. MAINTENANCE FOUND THE CABIN ENTRANCE LIGHT DIIMING SWITCH OUT OF ADJUSTMENT / POSITION AND ADJUSTED IT PER AMM 33-21-12. A SATISFACTORY OPERATIONAL CHECK OF THE FLIGHT DECK DOOR WAS ACCOMPLISHED.