As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS SMOKE WARNING DURING CRUISE. NO SMOKE DETECTED, WARNING WAS INTERMITTENT. SUSPECT WATER CONTAMINATION. REMOVED AND REPLACED THE SMOKE DETECTORS 11WA, 12WA, & 13WA IAW AMM: 26-15-12-04. SYSTEM OPS CHECKED GOOD IAW AMM 26-15-00-05.