What was found
AT CRUISE FL380 RT ENG OVERHEAT ON EICASCREW REPORTED E2 ENG OVERHEAT ON EICAS AT CRUISE. ALL EGT IN NORMAL RANGE, FOLLOWED QRH AND RETARDED THROTTLE TO 60% N1 AND MSG DISAPPEARED. CREW DID NOT ADVANCE THE THROTTLE AGAIN. PERFORMED FIM 26-11 FAULT TREE 803. NO DISCREPANCIES FOUND. ADD EMP:U413997,U414020 ADDED PHOTOS. FOUND CRACK TO BE WITHIN LIMIT PER AMM 72-52-05-206-001-R00. TROUBLESHOOTING NEEDS TO CONTINUE. PER LAX TECH SUPPORT & FIM 26-11 FAULT TREE 803, PRESSURIZED UPSTREAM OF THE PRSOV ON #2 ENG TO CHECK FOR LEAKS REF AMM TASK 36-11-09-782-030-001. FOUND LEAK COMING FROM AFT CLAMP OF INTERMEDIATE PRESSURE CHECK VALVE. VALVE IS LOCATED FWD OF THE PRECOOLER, ON MID PYLON. FIRE DETECTION OVERHEAT TEST ACCOMPLISHED PER FIM 26-11 FAULT TREE 802 NO FAULTS NOTED. REMOVED E2 INTERMEDIATE PRESSURE CHECK VALVE TO CHANGE E-SEALS AND RETORQUE CLAMPS. FOUND AFT CLAMP STRIPPED, AND E-SEALS WARPED. REINSTALLED #2 ENG IP CHECK VALVE WITH NEW E-SEALS AND A NEW AFT CLAMP REF AMM TASK 36-11-06-404-019-001 UP TO STEP 3.E.(8.) LEAK CHECK REQUIRED. PERFORMED LEAK CHECK OF #2 ENG IP CHECK VALVE PER AMM REF 36-11-06-404-019-001. OPS CHECK GOOD. NO LEAKS DETECTED. WILL REQUIRE HIGH POWER ENGINE RUN TO VERIFY ORIGINAL OVERHEAT DISCREPANCY HAS BEEN RESOLVED. PERFORMED ENG RUN (ENG 2) WEATHER) REFERENCE: TASK 71-00-00-862-117-R00...OPS CHK GOOD NO FAULTS NOTED