As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE THE CREW SET THE RIGHT ENGINE POWER AT 80 PERCENT TQ. THE CREW HEARD A LOUD BANG, FELT A SLIGHT YAW AND NOTICED THAT THE RIGHT TQ HAD DROPPED TO APPROX 70 PERCENT. THE CREW ADJUSTED THE TQ AND THEN HEARD MULTIPLE BANGS ALONG WITH A DROP IN RIGHT TQ AND AN ASSOCIATED RIGHT IGNITION WARNING LIGHT. THE CREW FOLLOWED THE QRH AND RETURNED TO PIT. A/C TAKEN OUT OF SERVICE AT 1710 (LT) 02-01-04.