As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE MASTER WARNING ON DEPARTURE. TOOK APPROX 1.5-2 MINUTES FOR GEAR TO COME UP. VIOLENT BANGING NOISE THROUGHOUT THIS PROCESS. SWUNG GEAR AND DUPLICATED PROBLEM. NOSE GEAR DOOR STAYED OPEN. PSEU CODES WERE S30 FAR, S31 FAR, S32 FAR. REPLACED NLG DOOR SELECTOR VALVE IAW AMM 32-22-20. GEAR AND DOOR OPS CHECK GOOD.