As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5330 - JAX-PBI - IN FLIGHT, CREW NOTICED THE RIGHT COWLING WAS LOOSE. CREW REDUCED POWER TO THE RT ENGINE AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE FOUND THE UPPER INBOARD TRUSS BOLT WAS LOOSE. REMOVED AND REPLACED THE ENGINE TRUSS AND BOLTS. AIRCRAFT WAS RETURNED TO SERVICE. (M)