As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6202 - MHT-IAD - DURING CRUISE, MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS LAV SMOKE DETECTION WARNING LIGHT ILLUMINATED. AIRCRAFT LANDED AND WENT TO GATE AT IAD WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LAV SMOKE DETECTOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)