As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ISSUE- CREW REPORTED ON CLIMB OUT, APPROXIMATELY 2000 FEET, AIRCRAFT YAWED SLIGHTLY TO LEFT AND LEFT ENGINE N1 AND ITT BEGAN TO BOUNCE AROUND. ITT WAS UP AND DOWN APPROXIMATELY 150 DEGREES AND N1 APPROXIMATELY 5%. IGNITION AB BOTH ILLUMINATED AS WELL. ALL OTHER INDICATIONS WERE NORMAL. RETURNED FOR LANDING AT OAK NO FURTHER INCIDENT. CORR ACTION- MX TROUBLESHOT TO A BAD FPMU R&R'D FPMU OPS TESTED GOOD.