As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT JB1306 EMERGENCY WAS DECLARED AVNX MAU 1A FAIL ON APPROACH INTO JFK AT 17000 MSL. REMOVED AND REPLACED MAU 1 NIC 1 PROC CARD REF 31-41-04, AFTER FOLLOWING FIM TASK 45-45-00-710-939-1 AND FIM TAK 31-42-00-810-808A. OPS CHECK OK, REFERENCE LOG 710936.