As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH 7367 IAD. THE AC WAS ON FINAL AND GOT A GEAR DISAGREE FOLLOWED BY NO NLG EXTENSION WHEN THE CAPT SELECTED THE HANDLE DOWN. THE CAPT CYCLES THE HANDLE AND GOT 3 GREEN DOWN AND LOCKED. AC FERRIED TO CLT FOR REPAIRS. MAINTENANCE REMOVED AND REPLACED PRIORITY VALVE.