As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TPA/ATL - FLT 120 - UPON GEAR EXTENSION, THE LEFT MAIN GEAR DID NOT HAVE A DOWN AND LOCK INDICATION. CAPTAIN DECLARED AN EMERGENCY AND LANDED WITH GEAR DOORS DOWN. NO FURTHER PROBLEMS REPORTED. REPLACED DOWNLOCK SWITCH CANNON PLUG P1-132 AND NEW PINS ON ALL WIRES. PERFORMED GEAR RETRACTION AND EXTENSION. OPS CHECK NORMAL PER MM 32-50.