As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/O ENG. 1 & 2 SPOOLED TO 60% N1, GO LEVERS SELECTED NR 1 ENG SPOOLED TO 80% N1 MAX, THROTTLE FULL FORWARD NO RESPONSE. OAT +5º C TAS LESS THAN 60KTS. REMOVED. CLEANED & INSTALLED PS-4 LINE. PERFORMED ACCELERATION CK ON NR 1 ENG. ENG. RUN OPS GOOD PER JRH 16.5 & 18.1