As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING WARNING HORNS GO OFF BETWEEN 12,000 FT - 10,000 FT AND CAN NOT BE SILENCED ( NO EICAS MESSAGES FOR RA) RA SHOWS -400 TO -5 FT AND SHOWS BROWN ON PDF ALT TAPEHAD TO DROP GEAR TO SILENCE HORN-C/A-R ALT 2 DEFERRED AS PER MEL 34-15 AUTH # 100240M-C "M" PROCEDURES C/W