As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - LEFT MAIN LANDING GEAR INTRANSIT LIGHT REMAINS ILLUMINATED FOR 30 SECONDS AFTER GEAR RETRACTION. MAINTENANCE ADJUSTED UPLOCK HOOK ROD ON LEFT MAIN LANDING GEAR. GEAR RETRACTION AND EXTENSION NORMAL DURING GROUND CHECK. AIRCRAFT RETURNED TO SERVICE. (M)