As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT-FLIGHT#3989. CREW REPORTED #1 GROUND RANGE LIGHT CYCLES WITH POWER LEVER IN DISC. MAINTENANCE REPLACED POWER LEVER SWITCH 6141 S3 AND SWITCH 6121 S11 FOUND TO BE OUT OF ADJUSTMENT. REMOVED AND REPLACED SWITCHES IN ACCORDANCE WITH DASH 8 MAINTENANCE MANUAL 76-10-13. AIRCRAFT RETURNED TO SERVICE.