As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON LOCKOUT EICAS WHEN SLOWED TO 250 KTS. AFTER AC LANED MTX GROUNDD ACFT AND TOUBLESHOT IAW FIM 27-11 FT 804, FOUND FAULT BULB ON LT SAM. SWAPPED SAM P/N 285T001S-117 / S/N. 000276 WITH SAM S/N D01364 / P/N 285ST001S-116. NO HELP. ORIGINAL SAM REINSTALLED. CHKD LT LOCKOUT AILERON IAW AMM 27-11-44. NO DEFECTS NOTED. FURTHER T/S REQUIRED. TRANSFER TO DI 67284 IAW MEL 27-11-2. (M) PROCEDURE COMPLIED WITH PLACARD INSTALLED. CAT C MBCB 11.02.25. MTX REURED AC TO SERVICE.