As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 2 OVERHEAT DOES NOT ILLUMINATE DURING OVHT/ FIRE TEST. ACFT GROUNDED. CONFIRMED. WITH LOOP A SELECTED ON NR 2 ENGINE - FIRE TEST NORMAL. BITE CHECKED FIRE DETECT MODULE. ALL 3 LIGHTS ON FOR NR 2 ENG B LOOP. WIRING OPEN OR DETECT FAULTS. REPAIRED HARNESS MW0315, REF WDMM 26-11-11. OPS NORMAL GROUND VERIFICATION SUCCESSFUL. REF AMM 26-11-00-710-801.