As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED ENG FIRE TEST DURING MEET & GREET & FOUND ENG NR 1 LOOP B INOP WITH AMBER FAULT LIGHT ILLUMINATED. PERFORMED RESISTANCE CHECK ON NR 1 ENG LOOP B, READING ARE IN LIMITS BUT FOUND DIRTY ELECTRICAL PLUG. CLEANED PLUG DP1601 AND PERFORMEDOPS CHECK AND FOUND NO FAULTS IAW FIM 26-10 TASK 801 & 26-10 TASK 805.