As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE HANDLE NOT LIGHTING UP ON FIRE TEST. GROUNDED - YES. PULLED AND TAGGED 6 CB'S/ CW TECH SERVICES REQUEST TO REPLACE ENGINE FIRE DETECT HARNESS MW0315 REF AMM 26-11-02-000/400-801. NR 2 ENGINE SELECTOR TEST SW PLACED IN THE BOTH POSITION. REMOVED TAGS AND RESET 6CB'S AND TESTED GOOD REF AMM 26-11-710-801.