As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1) ¥2 ENGINE FIRE WARNING CAME ON ERRATICALLY AND INTERMITTENTLY WHEN ON "B" LOOP. NORMAL INDICATION WHEN ON "A" LOOP2) CHECKED ¥2 ENGINE FIRE WARNING SYSTEM R&R "B" CORE LOOP CONNECTOR P1-8059 IAW WD.26-01-01.TESTED OPERATION OF BOTH LOOPS FOUND OK