As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AND RIGHT ENGINE FIRE HANDLES ARE ILLUMINATED. FOUND ANNUNCIATOR LIGHT CARD 6LP WITH OVERHEAT INDICATION. FOUND CARD 6LP HAD A BURN MARK. REPLACED IAW MM. DURING T-SHOOT OF ENG 1 AND ENG 2 FIRE LIGHTS (REF TSM 26-12-00-810-848-A & -849-A), ALSO HAD AN IRU NR 2 FAULT LIGHT ON. TROUBLE SHOT TO POSSIBLE FAULT WITH ANNUC LIGHT INTERFACE BOARDS 18LP&5LP. SWAPPED CARDS FOR T-SHOOT AND FAULT CLEARED. SWAPPED BACK. TESTED GOOD