As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETARDED THROTTLES AT 13000 FT AND EXPERIENCED FIRE WARNING BELL, AND LIGHT ON NR 2 TEE HANDLE. NO OTHER ASSOCIATED INDICATIONS. LIGHT WENT OUT SHORTLY AFTER. RETURNED TO GTF AND LIGHT AND HORN CAME ON TWICE MORE DURING RETURN. R/R BOTH SENSING ELEMENTS ON NR 2 ENGINE PER FEDEX 727-200 M/M 26-11-012-4. ALSO R/R'D ENGINE FIRE DETECTION UNIT PER FEDEX 727-200 M/M 26-11-000-4. RAN #2 ENGINE PER FEDEX B727 CHAP.5. SYSTEM OPS CHECKS GOOD ON GROUND.