What was found
DURING TEST FLIGHT FOR ETOPS ENGINE CHANGE ACCEPTANCE, NR 2 ENGINE HAD COMPRESSOR STALLS ON TAKEOFF. RETURNED CPH. ENGINE WAS REMOVED AND ROUTED TO SHOP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TEST FLIGHT FOR ETOPS ENGINE CHANGE ACCEPTANCE, NR 2 ENGINE HAD COMPRESSOR STALLS ON TAKEOFF. RETURNED CPH. ENGINE WAS REMOVED AND ROUTED TO SHOP.