As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB NR 2 ENGINE AMBER TAI LIGHT ILLUMINATED FOR APPROX 10 SECONDS. LIGHT WENT OFF FOR APPROX 5 SECONDS THEN ILLUMINATED FOR 5 SECONDS. ENGINE ANTI ICE WAS OFF ENTIRE TIME DURING CLIMB. ACFT GROUNDED. REPLACED NR 2 ENG COWL TAI VALVE IAW MM 30-21-11. TIGHTENED COUPLING AS REQUIRED IAW MM 30-21-11-400-801, STEP 3.H.3.F.4. OPS CHECKS GOOD.