What was found
ON T/O ROLL THE RIGHT YELLOW REV LIGHT CAME ON A GAIN EVEN AFTER MEL 7831 F HAD BEEN APPLIED. REVERSED MEL #2 ENG T/R. PERFORMED ACTUATOR LOCK, CROSSOVER SHAFT INTEGRITY TEST IN REF AMM 78-31-00. CHECK OK. PERFORMED #2 ENG T/R OPS TEST IN REF AMM 78-31-00-715-216-R01. CYCLED A FEW TIMES. OPS TEST NORMAL. DURING T/R OPERATION, LEAK SUSPECT LEFT CENTER ACTUATOR OR LEFT LOWER FLEX SHAFT TUBE TO BE SOURCE OF LEAK. PARTS NIS HNL. SEE MATERIALS LIST. PERFORMED T/R DEACTIVATION RECORDED IN ELOTO AND ADDITIONALLY INSTALLED FLAP LEVER PLACARD AND LEADING EDGE LOCK AS ADDITIONAL SAFETY PRECAUTIONS. LEFT INNER T/R DUCT OPENED TO FACILITATE INSPECTIONS. PERFORMED 29-11-00-862-053. C/B COLLARED AND ELOTO APPLIED. RIGHT HYD RES PRESSURE RELIEVED AND ALL FLEX SHAFT TUBES LOOSENED TO PREPARE FOR 78-31-26/401 TR HYD ACT FLEX SHAFT AND TUBING REMOVAL/INSTALLATION. MAIN AND NOSE GEAR DOOR LOCKS STARTED REMOVE #2 ENG T/R LEFT CENTER ACTUATOR AND LOWER RETRACT TUBE UP TO STEP 5 (M) SUB TASK AMM 78-31-26-024-052-R00. FOUND NEAR I/B MID T/R SLEEVE ACTUATOR. IMAGE ATTACHED INSTALLED. RIGHT HYD SYSTEM IS IN AN OPEN STATE. COMPLETED REMOVAL OF T/R LEFT CENTER ACTUATOR. ADJUSTED AND INSTALLED NEW ACTUATOR, LOWER EXTEND TUBE ASSY. AND FLEXIBLE SHAFT DRIVE. IAW AMM TASK 78-31-26-404-004-R00. PUSHED CIRCUIT BREAKERS AND REACTIVATED T/R SYSTEM. IAW AMM TASK ACTUATOR, SYNCH OFF 19-7831-9-0003 1103 ON 19-7831-9-0003 0358 ACTUATOR, SYNCH OFF 19-7831-9-0003 1103 ON 0000 78-31-00-912-023-R04. PERFORMED OPS CHE