What was found
(CAN) CREW REPORTED GEAR DISAGREE FOR NLG. A/C RTB AND PILOT DECLARED EMERGENCY. MAINT UNABLE TO DUPLICATE ON GROUND. NLG SELECTOR VALVE REPLACED AS PRECAUTIONARY MEASURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) CREW REPORTED GEAR DISAGREE FOR NLG. A/C RTB AND PILOT DECLARED EMERGENCY. MAINT UNABLE TO DUPLICATE ON GROUND. NLG SELECTOR VALVE REPLACED AS PRECAUTIONARY MEASURE.