What was found
ENG NR 1 FIRE TEST DOES NOT WORK. NO BELL OR LIGHT. SQUIB LIGHTS DO ILLUMINATE. NO ECAM. FOUND FAULTY FIRE DETECTION UNIT. REPLACED APU FDU. OP CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENG NR 1 FIRE TEST DOES NOT WORK. NO BELL OR LIGHT. SQUIB LIGHTS DO ILLUMINATE. NO ECAM. FOUND FAULTY FIRE DETECTION UNIT. REPLACED APU FDU. OP CHECKS GOOD.