What was found
DFW - FLT NR 1612 - DURING APPROACH DFW AFTER GEAR WAS CYCLED DOWN, THE LEFT MAIN GEAR DID NOT SHOW GREEN DOWN AND LOCKED. CYCLING GEAR HANDLE, STILL DID NOT SHOW DOWN AND LOCKED. ACCOMPLISH CRANK DOWN PROCEDURE AND STILL DID NOT RECEIVE GREEN LIGHT INDICATION DOWN AND LOCKED. GEAR ALIGNMENT INDICATOR DID SHOW DOWN AND LOCKED. THE RED GEAR LIGHT STAYED ILLUMINATED ALL THE TIME. LEFT DOOR LIGHT REMAINED ILLUMINATED. HYDRAULIC PRESSURE READING NORMAL THROUGH OUT ALL CYCLES. LANDED DFW WITHOUT INCIDENT. REPLACED LEFT HAND MLG DOWN LOCK SENSOR AND ADJUSTED TARGET. SWUNG GEAR SEVERAL TIMES. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)