As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO FIELD DUE TO A LG WOW SYS FAIL UPON ATTEMPTED GEAR RETRACTION AFTER TAKEOFF. EXECUTED QRH PROCEDURE'S LG WOW SYS FAIL AND OVERWEIGHT LANDING. PERFORMED NLG FULL HYD & NITRO SERVICING IAW AMM 12-12-09. ALL CHECKED GOOD AND NO LEAKS NOTED. PERFORMED SEVERAL LANDING GEAR RETRACTION & EXTENTION, CHECKED GOOD IAW AMM 07-10-01 AND 32-33-00.