As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B737-26-3-0947, LAV A SMOKE DETECTOR SENSOR IS DIRTY. SPECIAL DI FFICULTY REPORT (SDR) IS REQUIRED. RECEIVED SERVICEABLE SMOKE DETECTOR AND REINSTALLED AT LAV A IAW B737 AMM 26-14-01-400-802 TASK 5 PN ON 475571-2 SN ON 404501A R ELMOVED WORK PERFORMED CARD 26299 WO 4215 OPS CHK GOOD.