As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR DID NOT RETRACT NORMALLY. RED UNLOCK LIGHT ILLUMINATED ALONG WITH REPETITIVE LOUD BANGING FROM THE NOSEWELL AREA. GEAR EXTENDED NORMALLY. ADJUSTED THE NOSE GEAR UPLOCK SWITCH IAW MM CH 32-30-05. REPACKED THE NOSE STRUT IAW CMM CH 32-20-02. THE ORIFICE ASSY AND PISTON WERE CHANGED ON THE STRUT REPACK. GEAR SWING CHECKS GOOD. TAXI CHECKS GOOD.