As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE DETECTION LOOP HAS FRAYED BONDING JUMPER, LOCATED AT THE APPROXIMATELY 3 O'CLOCK POSITION AS VIEWED FROM AFT OF THE ENGINE. GROUNDED - YES. REPLACED MW0325 FIRE DETECTION HARNESS, REF AMM 26-11-02-400-802. OPS NORMAL. GROUND VERIFICATION TEST GOOD, REF AMM 26-11-00-710-801.