As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:A CK DURING INSPECTION OF EO FOUND WATER DRAIN TUBE CRUSHED AND BURNED. ALSO, FOUND EVIDENCE OF BURNED INSULATION BLANKET REF EO B747-3670-27749B. ORDERED NEW HOSE ON REQ A940808. WORKING WITH ENG ON INSULATION. REPLACE HOSE ASSY PER B747-3070-27749.