What was found
SMOKE CREW REST EICAS MESSAGE LEFT SIDE ALARM ONLY TO SOUND. CLEANED THE CREW REST SMOKE DETECTOR AND DETECTION SYSTEM, TEST OK PER AMM 26-14-20.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE CREW REST EICAS MESSAGE LEFT SIDE ALARM ONLY TO SOUND. CLEANED THE CREW REST SMOKE DETECTOR AND DETECTION SYSTEM, TEST OK PER AMM 26-14-20.