As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SVC WHILE DOING A LEAK INSPECTION ON APU AREA FOUND APU SURGE DUCT CASING BROKEN AND MISSING MATERIAL RELEASED FOR SERVICE PER MEL : 49-11-01. REMOVED AND REPLACED APU PER MM 49_11_01_4_0 PERFORMED OPERATIONAL TEST ON APU PER MM 49_11_00_2_0 ALL TEST PASSED , NO FAULT NOTED . A/C OK FOR SERVICE