As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR BUMPS DURING CLIMB-OUT AT MID TO UPPER 20,000 FT 300KTS INDICATED (CREW STATES NO CHANGE IN GEAR UP INDICATION). REMOVED AND REPLACED LOGIC CARD NC002 IAW 750MM 24-53-00. COMPLIED WITH GEAR BUMP TROUBLESHOOTING IAW 750MM 32-30-00.