As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 466 - GSP-PHL - ON APPROACH TO PHL, THE NOSE GEAR DID NOT EXTEND ON THE FIRST TRY. PILOT ACCOMPLISHED ABNORMAL CHECKLIST ITEMS AND RECYCLED GEAR. THE SECOND EXTENSION WAS NORMAL. FLIGHT LANDED IN PHL WITHOUT FURTHER INCIDENT. MAINTENANCE BITE CHECKED SYSTEM. ALL INDICATIONS NORMAL. CYCLED GEAR APPROXIMATELY TWENTY TIMES. UNABLE TO DUPLICATE COMPLAINT. AS A PRECAUTION, MAINTENANCE LUBRICATED NOSE GEAR COMPONENTS AND CLEANED SENSORS AND TARGET GAPS. (M)