As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG FLIGHT 2355: RETURN TO GATE. POWERPLANT MESSAGE AFTER TAKEOFF. MAINTENANCE REMOVED AND REPAIRED THE NR 1 PEC IAW AMM TASK 61-20-36. COMPLIED WITH ENGINE RUNS IAW AMM TASK 71-00-00-868-805. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.