As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R ENGINE FIRE LP1 STATUS MSG APPEAR ON GROUND. (<P>TRANSFER TO MDDR # 106044 PER MEL 26-11-01-01 CAT C. PERFORMED FIM 26-11 F/T 804 FOUND AVOLS CARD M683 LOOSE MAKE SURE RESISTANCE BETWEEN PIN / 20 AND 21 0N M68 IS 11.7 OHM INSULATION BETWEEN PIN 18 AND 21 IS 2.47 OHM AND PIN 18 AND 20 2.64 / OHM WITHIN TABLE B LIMITATION REINSTALL FIRE DETECTION CARD M683 FIRE TEST NORMAL IAW AMM / 26-11-01-01 MDDR CLOSED PLACARD REMOVED.</P>)