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 DOES NOT OPEN, WHEN THE CODE IS ENTERED. THE LIGHT TURNS GREEN AFTER APPROXIMATELY 1 MINUTE, THE NORMAL AUDIBLE SOUNDS ARE NOT HEARD AND THE DOOR WILL NOT OPEN. CLEANED DOOR JAM AND LATCH ASSEMBLY DOOR AND ELECTRIC LATCH. OPERATIONAL CHECK NORMAL. PER AMM 52-51-00.