As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS WON'T TURN OFF ON SHUTDOWN CHECKLIST. FOUND INTERNAL WIRE SPRING INSIDE OVERHEAD EMER LIGHT SWITCH COVER SLIPPED OVER THE SWITCH & DIDN'T ALLOW THIS SWITCH TO GO TO ITS FULL OFF POSITION. REINSTALLED PROPERLY WIRE SPRING & SWITCHED EMER LIGHTS TO OFF. EMER LIGHTS SHUTDOWN CHECKLIST WENT TO OFF & GREEN. PERFORMED EMER LIGHTS ADJUSTMENT TEST IAW AMM 33-51-00-5. ALL TESTS PASSED. ACFT OK FOR SERVICE.