As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LANDING GEAR WOULD NOT EXTEND AND SWITCHED ESS BUS TRANSFER AND STILL WOULDN'T WORK, GEAR RETRACTED AFTER ATTEMPTING QUITE A FEW TIMES. MX INSPECTED THE LANDING GEAR AND MADE SURE ALL HANDLES WERE STOWED, LUBED GEAR COMPLETED RETRACT CHECKS. LANDING GEAR OPS CHECKED GOOD.