As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAI/BZE - FLT TA410 - DURING CRUISE, RIGHT ENGINE COWL VALVE FAILED IN THE OPEN POSITION AND THE LIGHT REMAINED ILLUMINATED. THE AIRCRAFT RETURNED TO EL SALVADOR STATION FOR MAINTENANCE. AT EL SALVADOR STATION, MAINTENANCE TECHS PERFORMED INSPECTION OF THE ENGINE NR 2 COWL VALVE. THEY REMOVED AND REPLACED THE COWL VALVE PER AMM 75-11-11. TEST ON GROUND PERFORMED PER AMM 75-11-00. NO FAULTS NOTED. THE AIRCRAFT RETURNED TO NORMAL OPERATION. (X)