What was found
FLT NR 5543 - STL - LANDING GEAR WOULD NOT RETRACT. MAINTENANCE CLEANED THE NOSE LANDING GEAR UPLOCK PROXIMITY SWITCH AND PERFORMED AN OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT NR 5543 - STL - LANDING GEAR WOULD NOT RETRACT. MAINTENANCE CLEANED THE NOSE LANDING GEAR UPLOCK PROXIMITY SWITCH AND PERFORMED AN OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM. OPS CHECK GOOD.