As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: COCKPIT DOOR WILL NOT OPEN, VERY DIFFICULT TO OPEN OR CLOSE. COCKPIT DOOR UPPER LATCH CONTACTING LOCK MECHANISM DOOR FRAME CUTOUT. REMOVED AND REPLACED UPPER DOOR ELECTRICAL STRIKER IAW AMM 52-51-12. OPS CHECK NORMAL.