What was found
DTW/CLT - FLT 267 - DURING APPROACH TO CLT WHEN LANDING GEAR WAS SELECTED DOWN, THE NOSE GEAR DID NOT EXTEND FOR APPROXIMATELY 10-20 SECONDS AS INDICATED BY UNSAFE NOSE GEAR INDICATION. AS THE CREW PERFORMED A TOWER FLY-BY, THE NOSE GEAR EXTENDED AND THE UNSAFE INDICATION EXTINGUISHED. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED A NOSE GEAR LUBRICATION EPR F100 MM 32-32-00-811-821A. PERFORMED SEVERAL GEAR SWINGS. ALL OPERATIONS CHECKED NORMAL. (X)