As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG COWL VALVE OPEN LIGHT REMAINED BRIGHT WITH SWITCH IN THE ON POSITION TAI LIGHT ON UPPER DU WAS ILLUMINATED GREEN. ACCOMPLISHED FIM TASK 30-21, TASK 805 THRU STEP E (3)(A) PG2. LIGHT REMAINS ON BRIGHT. REPLACED ENG 1 COWL TAI VALVE NO LEAKS NOTED, OPS CK NORMAL REF MM 30-21-11.