As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE ON TAKEOFF NOSE GEAR UP HANDLE, HEARD THUNK, GEAR LOWERED THEN BACK UP & LOCKED. PERFORMED TROUBLESHOOTING OF NLG RETRACTION ISSUE IAW FIM 32-60-09. NO FAULTS RECORDED IN PSECU. PERFORMED FUNCTIONAL CHECK OF LG PRIORITY VLVS, NLG PRIORITY VLV FAILED FUNCTIONAL TEST IAW AMM 32-30-00. R & R NLG PRIORITY VLV IAW AMM 32-33-15. ALL CHECKED GOOD AT THIS TIME. SEE NRC N63001 & CONTINUATION CARDS N60783 & N60784 FOR DETAILS.