As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFT LEFT EXIT DOOR INTERMITTENTLY SHOWS PRESSURE LIGHT AND PRESSING DOWN ON ARMING HANDLE WILL MAKE LIGHTS GO OUT. MAINTENANCE REPLACED CABIN PRESSURE SWITCH AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-73-12 WITH NO ISSUES NOTED.