What was found
FLT NR 0132 - EWR - ALL THREE GEAR INDICATORS REMAINED RED AFTER GEAR RETRACTION. THE GEAR WAS CYCLED AND ONLY THE NOSE GEAR LIGHT AND DOOR LIGHT REMAINED ON. THE GEAR WAS CYCLED A SECOND TIME AND ALL INDICATIONS WERE NORMAL. THE THREE GEAR INDICATORS WENT RED AGAIN WHILE AT FL 330, BUT ALL THREE EXTINGUISHED WITHIN A FEW MINUTES, WITHOUT CREW INTERVENTION. MAINTENANCE REMOVED AND REPLACED THE GEAR LEVER CONTROL HANDLE SWITCH. THE GEAR WAS CYCLED SEVERAL TIMES WITH OPERATION AND INDICATIONS CHECKING GOOD. (Z)