As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FIRE AGENT LOW, LEVEL ONE ALERT IN FLIGHT. NR 2 ENGINE AGENT 2 LOW, NO OTHER ADVERSE INDICATIONS. BOTTLE WAS FOUND NOT TO BE DISCHARGED. R & R CONNECTOR P1-1263. R & R BOTH AGENT LOW PRESSURE TO TEST SWITCHES AT REMOTE APU PANEL. SECURED CLAMPS & PANEL. TESTED SYSTEM, SYSTEM OPS CHECKED NORMAL. REMOVED CONNECTOR WAS FOUND TO HAVE CUT IN INSULATION BETWEEN PINS A & B.