As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 430 AFTER 4.0 HOURS OF FLT TIME, NOSE GEAR EXTENDED AND RETRACTED (BUMP). NO LIGHTS WERE NOTICED. COMPLIED WITH GEAR BUMP TROUBLESHOOTING CHECKLIST. FOUND LT AND RT MAIN GEAR UPLOCK SWITCHES OUT OF ADJUSTMENT. ADJUSTED SWITCHES AND PERFORMED NUMEROUS GEAR SWINGS. OPS CHECK GOOD. WORK PERFORMED IAW CHAPTER 32-30-00 OF THE MM.