As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION E, PERFORMED AN AIR TURN BACK DUE TO LT ENGINE FIRE INDICATION. REPLACED UPPER AND LOWER EGT THERMAL COUPLE CABLE ASSY. R & R DAMAGED 7TH STAGE COOLING AIR TEE. REPLACED DAMAGED FIRE LOOP WIRES AND PERFORMED NR 2 ENGINE FIRE DETECTION LOOP TEST. TESTS GOOD. R & R FIRE DETECTOR ASSY. NO FAULTS NOTED IAW MM 26-11-02-024-001 & MM 26-11-02-424-033.