As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 771 AT 1000 FT, CAPTAIN NOTICED NR 1 ENGINE N1 WAS BELOW NR 2 N1, APPROACH CONTINUED. NEARING 500 NR 1 ENGINE FAILED. CONTINUED & LANDED. SHUTDOWN ENGINE AND TAXIED TO GATE. REMOVED & REPLACED NR 1 ENGINE FMU IAW AMM TASK 73-22-52-000-010-B NO LEAKS NOTED. ALL CHECKED OK PERFORMED/TROUBLESHOOTING LED TO FMU PER FIM TASK 73-22-00-810-851-B.