As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG NR 1 FAILED ON UPWIND AT 400 AGL AFTER TAKEOFF. NO MASTER CAUTION OR MASTER WARNINGS. FOLLOWED AOM VOL 1 PROCEDURES AND RETURN FOR LANDING. EMERGENCY DECLARED. PERFORMED FDR DOWNLOAD IAW ETN NR E2-31-030R2. PERFORMED PROCEDURE OF READING EEC MEMORY FAULT CODES ON NR 1 ENG THROUGH ACARS IAW JIC NR 23-24-00. REMOVED AND REPLACED LT AFU IAW JIC NR 72-01-10 AND PERFORMED OPT TEST OF AFU AND ENG UPTRIM SYS IAW JIC NR 61-22-00. ALSO PERFORMED DVI, CLEANED AND RESHRINK WRAPPED OF LT ENG NR 1 AND NR 2 TORQUE SENSORS IAW JIC NR 77-13-61. ACFT RELEASED FOR FCF AND FOUND SATISFACTORY.