As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE LOOP 1 ENG LT ON STATUS. MEASURED INDIVIDUAL LOOP RESISTANCE AS FOLLOWS, M26004 2.5 OHM, M26005 7.7 OHM & M26006 5 .1 OHM ALL WITHIN LIMITS IAW FIM26-11-808. UNABLE TO PROPERLY CHECK RESISTANCE TO GND OF LOOPS & WIRING DUE TO MEGGER 25577 OUT FOR CAL & BACKUP MEGGER UNUSABLE.