As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING ENGINE TAI SELECTED OFF NR 2 ENGINE TAI REMAINED ON WITH BRIGHT BLUE COWL VALVE OPEN LIGHT AND TAI ANNUNCIATED ON ENGINE INSTRUMENTS. AFTER ENGINE SHUT DOWN COWL LIGHT WENT OUT. ACFT GROUNDED. REPLACED NR 2 ENGINE COWL THERMAL A/I CONTROL VALVE LEAK CHECK OPS CHECK GOOD REF 30-21-11-000-801.