As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN GEAR WAS EXTENDED DURING APPROACH RECEIVED WOW INPUT CAUTION MESSAGE AND A DOWN AND LOCKED 3 GREEN INDICATION. EXECUTED GO AROUND PROCEDURE TO INCLUDE GEAR RETRACTION. COMPLIED WITH QRH. ON SECOND APPROACH GEAR EXTENSION WAS NORMAL. RECEIVED NO WOW INPUT CAUTION MESSAGE AND A DOWN AND LOCKED 3 GREEN INDICATION. (FLT 3265) FO: 07/02/2018 CLOSED REMOVED AND REPLACED UPPER AND WOW SUB-ASSY IAW AMM. PERFORMED RETRACTION/EXTENSION OPERATIONAL TEST. NO FAULTS NOTED.