What was found
UPON PARKING AND DOING THE SHUTDOWN CHECKLIST NOTICED SOME OF THE EMER LIGHTS STAYED ON WHEN THE SWITCH WAS IN THE OFF/ARM POSITION. IF YOU TURN THE SWITCH TO THE ON POSITION ALL EMER LIGHTS COME ON. THEY EXTINGUISH AFTER 5 MINUTES. DISCOVERED MAIN ENTRY DOOR COURTESY LIGHT SWITCH STUCK IN DEPRESSED POSITION. COCKPIT COURTESY LIGHT SWITCH OPERATIONAL. ADJUSTED MED COURTESYLIGHT SWITCH AND AFFECTED LIGHTS NO LONGER ACTIVATING. MED COURTESYLIGHT SWITCH INTERNALLY BROKEN AND REQUIRES REPLACEMENT. NOTIFIED MCC, PLACED SWITCH ON ORDER, AND ISSUED. GAINED ACCESS TO FAULTYSWITCH AND SOLDERED IN NEW SWITCH. REPORTED LIGHTS NO LONGERCOMING ON UNLESS COMMANDED. CHARGED EMER BATTERIES AND COMPLIED WITH EMER LIGHTS OP CK WITH NO ISSUES. SYS OP CK GOOD IN REF TO EMB-505S AMM 33-26-00. SWITCH PN: 8121183ZGE22 / SN: N/A.