What was found
ON PREFLIGHT, APU WILL NOT FIRE TEST. CLEANED ELECTRICAL CONNECTOR SENSOR/RESPONDER OPS. CHECKS NORMAL IAW DHL B727A MM 26-15-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON PREFLIGHT, APU WILL NOT FIRE TEST. CLEANED ELECTRICAL CONNECTOR SENSOR/RESPONDER OPS. CHECKS NORMAL IAW DHL B727A MM 26-15-0.