As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP/SLAT CONTROL 1 EICAS STATUS HIGH LIFT CONTROL LANE #1 HAS A FAULT. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 2728841. REMOVED LEFT OPBC IAW AMM 23-93-01-000-801 INSTALLED NEW OPBC LEFT IAW AMM 23-93-01-400-801 UPTO STEP 3.G. INSTALLATION TEST TS PER FIM 27-51-TASK 842 MESSAGE NO LONGER ACTIVE. REF ELB 6234869 FOR REPLACEMENT OF LH OPBC.