As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4677 - DURING APPROACH INTO ATL FROM MCN, THE CREW SELECTED GEAR DOWN BUT THE NOSE GEAR WOULD NOT EXTEND. A GEAR DISAGREE WARNING WAS RECEIVED AND QRH PROCEDURES WERE COMPLIED WITH. THE CREW TURNED OFF HYDRAULIC 3A AND 3B AND THE NOSE GEAR EXTENDED. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE FLAP CONTROL UNIT, NOSE LANDING GEAR SELECTOR AND PRIORITY VALVES. OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)