As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING AND WITH ENGINE STABLE AT IDLE, THE NR 4 ENGINE COMPRESSOR STALLED. N1, N2, AND OIL PRESSURE DROPPED WITH EGT RISING TO 490 CELSIUS. SECOND START WAS NORMAL. MAINTENANCE RAN ENGINE WITH NO DEFECTS NOTED. EXACT PART CAUSING PROBLEM TO BE DETERMINED.