As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (#PRI3/ETOPS) (FULL SET FUEL NOZZLE REPLACEMENT)NO EXTENSION ALLOWED (225 CYCLES OR 45 DAYS, WHICHEVER OCCURS FIRST).CNR 20230831043. GROUNDED - YES. (RESOLVED ON W/O: 1963294 TASKCARD: N/R-00001 ) REPLACED ALL FUEL NOZZLES PER T/C 73-ASA-02.