As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GEAR DISAGREE, W, ON APPROACH. LANDING GEAR EXTENSION SELECTION WITH NLG UNLOCKED INDICATION. ALTERNATE LDG EXTENSION PERFORMED. NO CODES RETRIEVED FROM PSEU. MAINTENANCE PERFORMED VARIOUS LANDING GEAR RETRACTION/EXTENSION FUNCTIONAL TESTS. ALL PASSED.