As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NLG WOULD NOT EXTEND, NLG DOORS OPENED, TRIED EMERGENCY EXTENSION GEAR DID NOT EXTEND. RECYCLED GEAR UP AND RETRIED EXTENSION SUCCESFULLY. CARRIED OUT GEAR SWINGS ON JACKS AND NLG DID NOT EXTEND. BALANCE RELIEF VALVE REPLACED AND GEAR SWINGS CARRIED OUT IAW F415-3200.