As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TO GOT GEAR DISAGREE N. SOUNDED LIKE GEAR WAS UP BUT COUPLE MINUTES LATER HEARD A BANG IN THE NOSE GEAR WELL AND NOSE GEAR INDICATED UP. GEAR WENT DOWN WITH NO ISSUES REMOVED NOSE GEAR UPLOCK SWITCH P/N: S3177-1 S/N: NSN. -INSTALLEDSUPPLIED NEW SWITCH P/N: S3177-1 S/N: NSN. -RIGGED UPLOCK SWITCH. -OPS CHECKS GOOD. -WORK DONE IN REF TO CE680A AMM 32-32-00.