What was found
MSY - FLT 1275 - THE RT MLG RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER TAKEOFF WITH THE GEAR HANDLE IN THE UP POSITION. THE GEAR WAS CYCLED AND RED LIGHT EXTINGUISHED. THE RED LIGHT ILLUMINATED AGAIN WHEN THE GEAR HANDLE WAS PLACED IN THE OFF POSITION, BUT WENT OUT WHEN THE UP POSITION WAS SELECTED. MAINTENANCE REMOVED AND REPLACED THE RT MLG HYDRAULIC INSTALLATION MODULE. THE GEAR WAS CYCLED 15 TIMES WITH OPERATION AND INDICATIONS CHECKING GOOD. (X)