As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION AFTER TAKEOFF, NOSE GEAR STAYED DOWN & ALL GEAR DOORS STAYED DOWN. MX R & R THE NLG DOOR UPLOCK ASSY IAW AWXA TASK CARD F4N32301. OPS CHECKS GOOD. TEAR DOWN REPORT CONFIRMS REASON FOR REMOVAL OF NLG DOOR UPLOCK ASSEMBLY. FOUND BINDING BETWEEN STOPS ON UNIT. BOTH STOPS WERE FOUND WORN. STOPS WERE REPLACED AND UNIT WAS TESTED IAW CMM 32-37-09 REV. 7