As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO A RT ENGINE ROLL BACK WITH SMALL COMPRESSOR STALLS. ENGINE WAS NOT SHUT DOWN. FOUND NUMEROUS EPCS MESSAGES RELATED TO THE EEC. ENGINE INSPECTIONS PERFORMED. BORESCOPE INSPECTION PERFORMED. ALL CHECKED GOOD. EEC AND THE 14TH STAGE BLEED CONVERTER VALVE WERE REPLACED. ENGINE RUNS PERFORMED WITH NO FURTHER DISCREPANCIES.