As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON OR SHORTLY AFTER TAKEOFF, THE LEFT ENGINE NUISANCE FIRE CWP AND LEFT ENGINE "T" HANDLE ILLUMINATED ALONG WITH A TRIPLE CHIME FOR APPROX 3-5 SECONDS. NO OTHER ADVERSE INDICATIONS NOTICED. REMOVED AND REPLACED LT FIRE DETECTOR CNTL UNIT IAW AMM 26-11-10-02, P/N OFF/ON: 899052-02, S/N OFF: 0581, S/N ON: 0798. FURTHER TROUBLESHOT NACELLE FIRE DETECT SYSTEM AT THE FIRE LOOP, AND FOUND NO FAULTS IAW AMM 26-11-00-05. OP'S CHECK GOOD.