As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THRU FL 250 WHEN USING WING ANTI-ICE NR 2 "BLEED TRIP OFF" LIGHT ILLUMINATED. QRH PROCEDURES FOLLOWED BLEED LIGHT EXTINGUISHES. ACFT GROUNDED. REF FIM 36-10, TASK 801, USE OF WING ANTI ICE UNDER SOME CONDITIONS CAN CAUSE THE HSV TO OPEN EARLY & CAUSE A BLEED TRIP. ACCOMPLISHED NR 2 SYS BLEED AIR TEST IAW AMM 36-00-00-860-804 AND WING TAI SHUTOFF VALVE TEST IAW AMM 30-11-11-710-801. ALL TESTS PASS.