As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR UP DISAGREE FOR NLG UPON RETRACTION. RAN QRH, GEAR DEPLOYED & LOCKED WITH ALL INDICATIONS GREEN. RETURNED TO FIELD. FOUND THE FOLLOWING B1 CODES AT TIME OF EVENT 007451 065387 065386 007427 007432. DEFERRED MLG RETRACTION SYSTEM IAW MEL 32-30-1 MX ACTIONS C/W PLACARDS INSTALLED.