As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7900 - PIT - FLIGHT WAS A MAINTENANCE TEST FLIGHT. LEFT MAIN GEAR SHOWED AN UNSAFE CONDITION. RECYCLED GEAR AND ALL THREE INDICATIONS WERE NORMAL. CAPTAIN REQUESTED EMERGENCY EQUIPMENT AS A PRECAUTION. FLIGHT LANDED NORMALLY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED BOTH LEFT MAIN UPLOCK ASSEMBLIES, RIGHT MAIN FORWARD UPLOCK ASSEMBLY, AND LEFT MAIN OUTBOARD DOOR ASSEMBLY. GEAR SWING PERFORMED. ALL OPERATIONS NORMAL. (REFERENCE USAAF96117)