As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE "A/T LIM" DISPLAYED ON ENGINE INSTRUMENT AUTO THROTTLE MODE. A/T COMPUTER LOGGED MSG 22 31411 AND 22 31511 NR 1 EEC LOGGED FAULT CODE 73 21281. FOLLOWED FIM 73 27 TASK 805 REQUIRES EEC REPLACEMENT. REPLACED NR 1 ENG EEC PER MM 73 21 60 000 801 AND 73 21 60 400 801. GROUND VERIFICATION FOR NR 1 ENG EEC PASSED REF MM 71 00 00 800 811 FOO A/T BITE PASSED REF FIM 22 31 TASK 801.