What was found
WHILST CARRYING OUT CMP APU FIRE EXTINGUISHING FIRING CIRCUITRY INTEGRITY OPERATIONAL CHECK, SYSTEM FAILED EXTINGUISHING FIRING INTEGRITY CHECK DUE TO BROKEN WIRE ON LT FIRE BOTTLE CONNECTOR 053E1P1. WIRE 2W105H20-4 WAS FOUND TO BE SEVERELY CHAFED THROUGH OUTER INSULATION, BRAID AND INNER INSULATION THROUGH TO CONDUCTOR. WDM CH 26-21-00 X-REFERS. WIRE TO BE REPLACED.