As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON FLIGHT 2395, DEICE PRESSURE ILLUMINATED IN FLIGHT. RAN CHECKLIST NR 1 OUTERMOST BOOT FAILS TO ILLUMINATE. MAINTENANCE COMPLIED WITH FUNCTIONAL TEST OF THE A/F PNEUMATIC DEICE SYSTEM THRU 20 CYCLES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.