As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT REAR EMERGENCY EGRESS EXTERIOR LIGHT REMAINS ON WHEN THE EMERGENCY LIGHTS ARE SELECTED TO OFF. FOUND THE LIGHT THAT WAS STAYING ON TO BE THE AFT AIRSTAIR LIGHT WHICH IS NOT A EMERGENCY EGRESS LIGHT. CYCLED THE SWITCH FOR THE AIRSTAIR LIGHT TO THE OFF POSITION. RETURNED TO SERVICE. NO PARTS REPLACED.