As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2156 ON TAKEOFF ROLL, TAKEOFF WARNING HORN SOUNDED AS POWER LEVERS WERE ADVANCED AND A/S BECAME ALIVE. ESTIMATED TORQUE 60 PERCENT AND A/S >40 KTS. TAKEOFF CONFIG TEST PASSED IAC E.A RE TAKEOFF CHECKLIST. MAINTENANCE INSPECTED, CLEANED AND LUBED CLA, PARK BRAKE AND LEVATOR TRIM SWITCHES. REPLACED FLAP POSITION INDICATOR. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.