What was found
LANDING GEAR FAILED TO RETRACT. DUMPED APPROXIMATELY 28,000 LBS FUEL AND RETURNED TO BASE. REMOVED AND REPLACED BOGIE TRIM INTERLOCK CYLINDER ON LEFT MAIN LANDING GEAR IAW MM 32-31-05, SYSTEM OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LANDING GEAR FAILED TO RETRACT. DUMPED APPROXIMATELY 28,000 LBS FUEL AND RETURNED TO BASE. REMOVED AND REPLACED BOGIE TRIM INTERLOCK CYLINDER ON LEFT MAIN LANDING GEAR IAW MM 32-31-05, SYSTEM OPS CHECK GOOD.