What was found
TURB CASE COOL HPT R RIGHT ENGINE HIGH PRESSURE TURBINE (HPT) CASE COOLING ACTUATOR IS STUCK OR REVERTED TO ITS FAIL-SAFE POSITION. STATUS MSG-7560682 INACTV DC INTER MSG-7560662 ACTIVE DC HARD MSG-7550662 INACTV DC MODE MSG-7550662 INACTV DC MODE MSG-7550682 INACTV CL INTER MSG-7550682 INACTV CL INTER. DEACTIVATED PER MEL. PARTS: 645-9150 MR75240 ACTUATOR LOB. TCC HPT POS FEEDBACK, CAN BE CAUSED BY HARNESS W0624 566-1198 BUT USUAL BEST FIX IS RPL TCC ACTUATOR MR75240 PCN (645-9150) MM75-24-05 CF2. REPLACED TCC AIR VALVE ACTUATOR.