As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2027 - SMOKE WARNING ON SHORT FINAL, FLASHED FOR APPROXIMATELY TWO SECONDS AND EXTINGUISHED. 10-15 SECONDS LATER IT FLASHED AGAIN FOR TWO SECONDS AND EXTINGUISHED. ON TAXI IN IT FLASHED THREE MORE TIMES ALL LASTING 1-2 SECONDS. REPLACED NR 1 AND NR 2 SMOKE DETECTORS. NR 1 SMOKE DETECTOR PART NUMBER 473054, SERIAL NUMBER 0554, TSN 17043.5, CSN 24703. NR 2 SMOKE DETECTOR INFORMATION LISTED BELOW. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.