As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACT - FLT 3549 - NOSE GEAR AND LEFT MAIN GEAR DOWNLOCK INDICATION INOPERABLE. AIRCRAFT RETURNED TO DFW AND LANDED SAFELY. FOUND CANNON PLUG 5GPI IN LEFT WHEEL WELL NOT LOCKED. REMOVED, CLEANED, AND LOCKED CANNON PLUG SYSTEM. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (X)