As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR HANDLE UP GOT RED NOSE GEAR INDICATION SOUNDED LIKE NOSE GEAR DID NOT RETRACT, RETURNED TO ATL. MTC IN PROGRESS ON NOSE STRUT. REPACKED NOSE LANDING GEAR C/W OPN 4702 ACJIC CARD 5 RETRACT AND EXTENSION CHECKS NORMAL.