As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6332 - IAD-PIT - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT EGT FLUCTUATION 600 TO 0 DEGREES AND SRL WAS OFF. AIRCRAFT RETURNED TO GATE AND WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEANED THE ZONE 2 CANNON PLUG AND PERFORMED ENGINE RUN, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)