As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST FLIGHT FO FOUND ALTERNATE GEAR EXTENSION WILL NOT LATCH CLOSED. APPEARS TO BE MISSING BALL SPRING LATCH. REMOVED FROM SERVICE. R+R PNL FLOOR 6 ASSY REF TASK E175 AMM 53-01-37-000/400-801-A. NO FURTHER DEFECTS. AIRCRAFT RETURNED TO SERVICE.