As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN LANDING GEAR DID NOT INDICATE DOWN AND LOCKED DURING INITIAL EXTENSION. LANDING GEAR WAS RECYCLED AND LANDING GEAR INDICATED DOWN AND LOCKED. REPLACED LEFT MAIN LANDING GEAR UPLATCH CYLINDER IAW DC8 MM CHAPTER 32. PERFORMED SEVERAL RETRACTION AND EXTENSION CHECKS AND ALL INDICATIONS WERE GOOD IAW DC8 MM CHAPTER 32.