As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON CLIMBOUT, THE CREW HAD A ZONE 1 FIRE INDICATION, THEY THROTTLED BACK AND INDICATION LIGHT WENT OUT. THEY E-HANDLED THE ENGINE, JETTISONED THE LOAD AND RETURNED TO THE AIRPORT. A BROKEN EXHAUST CLAMP WAS FOUND AT THE FWD END OF THE AFT LONG PORTION OF THE TAILPIPE. CLAMP REPLACED, ACFT RETURNED TO SERVICE.