As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL INFORMATION- DEICE PRESS CAUTION LT SECOND BOOT LIGHT REMAINS ILLUMINATED FROM WING TIP. DIVERTED, LANDING UNEVENTFUL. TROUBLESHOT SYS TO NR 1 DDV BEING INOP. REPLACED NR 1 DDV IAW AMM 30-11-16. SYS TESTS GOOD. COMPLETED VISUAL INSP OF L/E DEICE BOOTS. NOTE: LE 513AL AND 331AL R & R DUE TO DETERIORATION OF SEAMS. RETURNED TO SERVICE.