As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE ON TAKEOFF FOLLOWED BY A WOW INPUT CAUTION MSG. (FLT 3259) FO: 09/24/2018 CLOSED. REMOVED THE NLG PISTON ASSY AND INSTALLED THE SCRAPER SEAL IN THE GLAND NUT AND INSTALLED GLAND NUT ON PISTON/AXLE ASSY IAW AMM. REPLACED ALL NLG SEALS IAW AMM. INSTALLED ORIGINAL PISTON IAW AMM. OPS CHECK GOOD AT THIS TIME. NO LEAKS NOTED AT THIS TIME.