As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE TEST IS NOT TESTING PROPERLY, NOT GETTING THE TEST IN PROGRESS MESSAGE ON EICAS. FIRE ENG L, FIRE ENG R, AND FIRE APU ARE DISPLAYED IN RED UPPER EICAS, INTERMITTENT. REPLACED M009 IN L AIMS REF LM5282 THEN M80001S003 FIRE-CARGO TEST SWITCH SOPM 20-11-05 & WDM 26-11-11. FIRE WARNING TEST NORMAL.