As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PN 128-550011-11, BLEED AIR DUCT, WIRE BRAIDING FAILED AT BOTH (2) OF THE BELLOWS ASSEMBLIES. DUCT EXPANDED AT BELLOWS PORTION OF DUCT BUT DID NO ADDITIONAL DAMAGE TO ACFT. DEFECT WAS DISCOVERED AT TROUBLESHOOT OF DIFFERENT PROBLEM IN AFT FUSELAGE. AD 2001-03-06 WAS ACCOMPLISHED WITH NO DEFECTS NOTED, 200 HOURS PREVIOUS TO DISCOVERING FAILED DUCT.