As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWERPLANT ENGINEERING REPORTED A SHIFT UP OF THE APU EGT CT5ATP. ACCOMPLISHED BOROSCOPE OF APU 1ST STAGE TURBINE BLADE, SHIFT AND FIRST STAGE STATOR AND FIRST STAGE TURBINE INSPECTION REF AMM 49-11-00-210-801 AND AMM 49-21-00-200-802. FOUND 1/2 BLADE T/E MISSING. REPLACED APU, REF TASK CARD 78349010 STEP 4, APU INSTALLATION COMPLETED APU INSTALLATION STEP 5 A-L. IAW MM 49-11-00-400-802. COMPLETED INSTALLATION IAW MM 49-11-00-400-802. ACCOMPLISHED APU OPS TEST IAW MM 49-11-00-710-801.