What was found
APU FIRE WARNING BELL IN COCKPIT INOP, HORN IN NOSE WHEEL WELL WORKS NORMALLY. REMOVED APU FIRE DETECTION POWER UNIT AND CLEANED CONTACTS. REINSTALLED POWER UNIT. OPS CHECK GOOD IAW MM 26-15-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FIRE WARNING BELL IN COCKPIT INOP, HORN IN NOSE WHEEL WELL WORKS NORMALLY. REMOVED APU FIRE DETECTION POWER UNIT AND CLEANED CONTACTS. REINSTALLED POWER UNIT. OPS CHECK GOOD IAW MM 26-15-00.