As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FIRE LOOP TEST INOP. INSTEAD OF THE LEFT FIRE LIGHT ILLUMINATING, THE T HANDLE ILLUMINATES. FOUND LT ENGINE FIRE LOOP CONNECTION LOOSE AT FIREWALL CONNECTOR TIGHTENED CONNECTION AND RESEALED IAW MM 26-10-01. TEST OF FIRE LOOP, OPS CK GOOD.