As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. UPON TOUCHDOWN LEFT AFT OVERWING EMERGENCY EXIT DOOR INDICATED UNLATCHED, ONCE AT GATE MESSAGE WENT OUT. MAINTENANCE REMOVED LATCH COVER ON LEFT AFT OVERWING EXIT DOOR. SECURED TRIM AND REMOVED DEBRIS FROM PROXIMITY SENSOR PER AMM 52-21-00. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.