What was found
ORD FLT 6156 - THE CREW REPORTED A LOUD BANGING NOISE WHEN GEAR RETRACTED. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 6156 - THE CREW REPORTED A LOUD BANGING NOISE WHEN GEAR RETRACTED. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT. OPERATIONAL CHECKS WERE GOOD.