As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5803 R CTR ENT DOOR ADVISORY MESSAGE ON TOUCHDOWN. CORRECTIVE ACTION: FOUND JAM NUT LOOSE UNDERNEATH SWITCH SENSOR AT UPPER LATCH FITTING. TIGHTENED JAM NUT REF B757 AMM 52-11. CYCLED 2R DOOR NUMEROUS TIMES. MESSAGE EXTINGUISHED WHEN DOOR CLOSED. (7516160)