As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE LOOP "A" APPEARS TO HAVE A FAULT. ACFT GROUNDED. REF AMM TASK 26-10, TASK 801 INITIAL EVALUATION BITE TEST OF M279 MODULE NR 2 ENGINE A LOOP FAILED TO ILLUMINATE. CYCLED A/C POWER. CYCLED FIRE CONTROL HANDLE. FAULT CLEARED. RAN GROUND ENGINE RUN FOR 5 MINUTES REBITE OF M279, NO FAULTS RECORDED GROUND VERIFICATION CHECKS GOOD. OK FOR CONTINUED SERVICE.