What was found
(CAN) ORIGINAL DEFECT, UNSAFE GEAR INDICATION, GEAR HORN SOUNDING WHILE 3 GREEN INDICATING AND RED LIGHT OUT IN GEAR HANDLE ON GO AROUND. LEFT GEAR DID NOT INDICATE RETRACTION. TROUBLESHOOTING PROVED THAT THE SWITCH, PN MS21321-2, WAS NOT OPERATING PROPERLY. FAILED TO SHOW GEAR UP WHEN GEAR WAS UP. REPLACED WITH THIS NEW SWITCH FROM SAME MFG AND IT ALSO FAILED. THIRD SWITCH FROM DIFFERENT MFG INSTALLED AND IS WORKING PROPERLY. ORIGINAL SDR 20130729018.