What was found
THE LEFT ENGINE FIRE WARNING WOULD NOT TEST ON PREFLIGHT. REPLACED LEFT ENGINE AFT FIRE DETECTOR SENSOR LOOP IAW SAAB AMM 26-11-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE LEFT ENGINE FIRE WARNING WOULD NOT TEST ON PREFLIGHT. REPLACED LEFT ENGINE AFT FIRE DETECTOR SENSOR LOOP IAW SAAB AMM 26-11-00.