As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE RETARDS TO 47 PERCENT N1 AT TOP OF DESCENT, SLOWLY DECREASING AS ALTITUDE DECREASES FINALLY MATCHING LT ENGINE 30 PERCENT AT ABOUT 11,000 FT. ENGINE INDICATATIONS ARE NORMAL FOR RESPECTIVE N1. ACCOMPLISHED FIM 73-21-00. REPLACED K433 RELAY. TESTED 3/ GROUND RUN CHECKED OK. NO FAULTS NOTED.