As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT DECK DOOR LOCKED FROM THE INSIDE, PILOTS CANNOT GET OUT. HAD TO CRAWL THROUGH DEPRESS DOOR MAINTENANCE REPLACED FLIGHT DECK DOOR LATCH MECHANISM PER AMM 52-51-21. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.