As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NUMBER 926, ON DESCENT IN V NAV, AUTO THROTTLES ON, THE RIGHT ENGINE SURGES BETWEEN 1.43 TO 1.33 EPR. ALL OTHER ENGINE PARAMETERS SURGE AS WELL. MAINTENANCE REMOVED AND REPLACED THE HP3 BLEED VALVE AND PERFORMED TEST 3 IP/HP AIRFLOW TEST IN ACCORDANCE WITH MM 71-00-00, PAGE 521. AIRCRAFT RETURNED TO SERVICE.