As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM DEPARTING AIRPORT KACK ON A FLIGHT TO KBKL, THE CREW OBSERVED FLUCTUATING FUEL FLOW INDICATIONS OF 10-20 POUNDS PER HOUR EVERY 4-5 SECONDS. ALL OTHER ENGINE INSTRUMENTS FLUCTUATED ACCORDING WITH THE INCREASE AND DECREASE OF FUEL FLOW. THE CREW DIVERTED TO KIPT AND LANDED SAFELY WITH NO INCIDENT. TECHNICIANS ARE CURRENTLY SCHEDULED TO TROUBLESHOOT ON 09/13/23. A SUPPLEMENTAL SDR WILL BE FILED WHEN FURTHER INFORMATION BECOMES AVAILABLE.