As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER CAUTION 'ANTI ICE' ILLUMINATED WHILE ENGINES WERE ACCERATING TO TAKEOFF THRUST. ENGINE ANTI-ICE WAS ON; DIM BLUE INDICATED ON 'COWL VAVLE OPEN' LIGHT. REJECTED TAKEOFF AT 40 KNOTS / R+R'D BOTH (LH+RH) ENGINE COWL ANTI-ICE VAVLES IAW AMM 30-21-11 (REF LOG PAGE 0941294 FOR POWER ASSURANCE ENGINE RUN) POS: #1 PN OFF/ON: 3215618-5 SN OFF: 3656 SN ON: 4542 POS: #2 PN OFF/ON: 3215618-5 SN OFF: 7358 SN ON: 8234