As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OUR APPROACH THE LG FAILED TO EXTEND. AN IMMEDIATE GO AROUND WAS COMMENCED & AN EMER DECLARED WITH ATC. DURING A BRIEF DIVERSION THE CAPTAIN RAN VARIOUS CHECKLIST & WAS ABLE TO EXTEND THE GEAR. MX JACKED THE ACFT & OPERATED THE LG NUMEROUS TIMES & COULD NOT DUPLICATE THE DISCREPANCY. .