As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATELY 9000 FT, AFTER TAKEOFF RECEIVED A LEFT ENGINE FIRE MASTER LIGHT, NO MASTER WARNING, PERFORMED MEMORY ITEMS AND LIGHT WENT OUT WHEN LEFT THROTTLE WAS BROUGHT TO IDLE. NO OTHER INDICATIONS. INSPECTED LT ENGINE AND FOUND FIRE DETECTOR CABLE CHAFED THROUGH NEAR FUEL LINE AT PYLON. REPLACED THE LT ENGINE FIRE DETECTOR CABLE WITH A NEW CABLE IAW MM 26-11-01. OPS CHECKED GOOD. NO FURTHER DEFECTS NOTED.