As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DECK DOOR LOCK /UNLOCK INOP. AUTO UNLOCK UNSUCCESSFUL. MANUAL OVERRIDE DOES NOT OPERATE SMOOTHLY. REMOVED FROM SERVICE. FOUND COCKPIT DOOR LATCH STICKING. APPLIED LUBRICANT IN REF TO AMM 52-51-03 OPS TEST NORMAL. AIRCRAFT RETURNED TO SERVICE.