As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 640 30-10 1826421 07SEP19 ART CLOSE DURING ICING, WG A/ICE FAIL MSG ON EICAS, CREW C/W QRH, MESSAGE CLEARED. FACT WING A/I LEAK MESSAGE ON CMC. FOUND BLEED PIPE BETWEEN PACK VLV #1 AND TEMP CONTROL VLV #1 TO BE LEAKING. R&R'D PIPE IRT AMM 21-60-01. LEAK CK GOOD. WING A/I THERMOSTAT ACTIVATES AT 130 DEGREES . R&R'D THERMOST AT PER AMM 30-11-05. PERFORMED A/I SYS OPS CK 30-00-00-700-802-A. OPS CK GOOD. CLEAR MEL.