As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2155. FLIGHT DECK DOOR IS DIFFICULT TO OPEN FROM INSIDE THE FLIGHT DECK. REMOVED FROM SERVICE. PERFORMED GVI OF FLIGHT DECK DOOR, FOUND DEBRIS IN MECHANICAL LATCH. CLEANED MECHANICAL LATCH AS REQUIRED, DOOR NOW OPENS AND CLOSES SMOOTHLY AS REQUIRED. RETURNED TO SERVICE. NO PARTS REPLACED.