As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE UP FOR TAKE-OFF, NR 4 ENGINE FAIL TO ACCELERATE. FOUND DEFECTIVE SURGE BLEED VALVE. REMOVED AND REPLACED NR 4 SURGE BLEED VALVE IAW MM 75-30-3 AND SYSTEM OPERATIONAL CHECK NORMAL ON ENGINE RUN-UP IAW MM 71-00 ALL PARAMETERS NORMAL.