As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT EMERGENCY EXIT INDICATES OPEN AND APPEARS CLOSED. MAINTENANCE FOUND THE LEFT AFT EMERGENCY EXIT HATCH PROXIMITY DETECTOR SWITCH OUT OF ADJUSTMENT AND ADJUSTED IT PER AMM 52-71-13. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.