What was found
UPON ENGINE SPOOL UP FOR TAKEOFF, NR 4 ENGINE COMPRESSOR STALLED. PERFORMED BOROSCOPE TO NR 4 ENGINE; FOUND BLADES DAMAGED, SECURED NR 4 ENGINE FOR FERRY FLIGHT IN ACCORDANCE WITH ARROW GMM 6-3-4/5.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON ENGINE SPOOL UP FOR TAKEOFF, NR 4 ENGINE COMPRESSOR STALLED. PERFORMED BOROSCOPE TO NR 4 ENGINE; FOUND BLADES DAMAGED, SECURED NR 4 ENGINE FOR FERRY FLIGHT IN ACCORDANCE WITH ARROW GMM 6-3-4/5.