What was found
STAB TRIM LIGHT AND EICAS DISPLAYED. ABLE TO ISOLATE WITH THE CUTOUT SWITCHES, TO FAIL WITH THE RT STAB-TRIM AILERON MODULE. REPLACED RT STAB TRIM-AILERON LOCKOUT MODULE, CHECKS OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM LIGHT AND EICAS DISPLAYED. ABLE TO ISOLATE WITH THE CUTOUT SWITCHES, TO FAIL WITH THE RT STAB-TRIM AILERON MODULE. REPLACED RT STAB TRIM-AILERON LOCKOUT MODULE, CHECKS OKAY.