As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE EDDF RWY 18 LDG GEAR WOULD NOT RETRACT. RETURNED TO LAND 10,000 BELOW MLW. NO FURTHER PROBLEMS. JACK A/C PER MM 07-11-00-0. REMOVED AND REPLACED BOGIE BEAN PROX DETECTOR 8GA PER MM 32-00-00-4. WHILE REPLACING 8GA PROX DETECTOR FOUND 12GA PROX DETECTOR ADJUSTMENT NOT WITHIN MM LIMITS. ADJUSTED SAME AS PER MM 32-00-00-4. SWUNG GEAR ON BOTH SYS 1 AND SYS 2 ALL GEARS AND DOORS WORKED NORMAL ON BOTH SYSTEM.