What was found
WHILE PERFORMING TC 78273000, FOUND FAULT CODE 73-31371 ON THE NR 1 ENGINE, UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. PERFORMED TASK CARD 78273000. NO FAULTS INDICATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE PERFORMING TC 78273000, FOUND FAULT CODE 73-31371 ON THE NR 1 ENGINE, UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. PERFORMED TASK CARD 78273000. NO FAULTS INDICATED.