What was found
LEFT BLEED TRIP OFF DOES NOT RESET WITH CHECKLIST LEFT BLEEDTRIP IS A PREVIOUS OOS CONDITION AND A CURRENT A/R. THIS ITEM IS LOCKED FOR CONFIRMATION OF A POSITIVE FIX. TOMC BILSKI. PILOT INFO STATES THAT "BLEED TRIP OFF" LIGHT CAME AT 10,000 FT AHM UPDATE: ADDING ACMS PNEUMATIC REPORT AS A PICTURE WHEN ENGINES WERE AT 94-96% N1. PLANES CONFIGURATION WAS BOTH ATTACHMENT. RECOMMEND PNEUMATIC HEALTH CHECK OF THE PCCV, PRSOV, BLEEDS ON AND BOTH PACKS ON, APU BLEED WAS CLOSED. ISOLATION AND BAR. REF FIM 36-10 TASK 810. VALVE IN AUTO. REGULATOR 29-3611-9-0006 UNLOCKED FOR CORRECTIVE ACTION PERFORMED ENGINE BLEED AIR HEALTH CHECK ON #1 ENGINE PER AMM FOUND FAN AIR VALVE SEAL NOT MATING TO PRECOOLER. REPLACED FAN REMOVED AND INSTALLED #1 ENGINE HI STAGE REGULATOR REFERENCE AMM 36-11-00-700-801 AS SUGGESTED PER AHM. NO FAULTS NOTED, FURTHER AIR VALVE SEAL PER AMM 36-12-01. COMPLETED BLEED AIR HEALTH 36-11-07. REQUIRES LEAK CHECK, REQUIRES HIGH POWER ENGINE RUN. TS REQUIRED. REF FIM TASK 36-10 TASK 801. CHECK AND FOUND HP REGULATOR REGULATING AT 12 PSI AND NOT ADD EMP:393452 ADD EMP:U393427 SHUTING OFF AT HIGH PRESSURE. REF AMM 36-11-00-700-801. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1660464 SN OFF 8335 REGULATOR, HI S OFF 29-3611-9-0006 8335 ON 29-3611-9-0006 3767 PERFORMED LH ENG HIGH POWER ENG RUN FOR ENG BLEED CROSSOVER TEST REF AMM 36-11-00-710-801. TEST PASSED. NO LEAKS NOTED ADD EMP:U175220