As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE SURGE. DETECTED BY BOEING AHM. SURGE OCCURED ON GROUND DURING MAINT ENGINE RUN. REF FIM 71-05-00 PG 105. PERFORMED VISUAL INSPECTION OF NR 2 ENGINE INLET, EXHAUST AREAS, ALSO VISUALLY INSPECTED 2. 5 AND 2.9 BLEED PORTS NO DEFECTS OR OBSTRUCTIONS FOUND. INSPECTED 2.5 BLEED VALVE ACTUATOR AND IP CHECK VALVE, NO DEFECTS FOUND.