As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 START LEVER LIGHT AND MASTER WARNING LIGHT ILLUMINATED DURING TAKEOFF ROLL. TAKEOFF WAS ABORTED AT 25 TO 30 KNOTS AND THE AIRCRAFT WAS RETURNED TO GATE. MAINTENANCE FOUND THE NR 1 ENGINE LOW PRESSURE TURBINE COOLING AIR MANIFOLD CRACKED. THE MANIFOLD WAS REMOVED AND REPLACED, THE ENGINE WAS RUN IAW MM 71-00-00 AND OPERATION CHECKED GOOD.