As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU CTSATP TREND DATA SHOWS MES EGT IS AT OR NEAR THE ESTABLISHED THRESHOLD. INDICATION ERRORS ARE SUSPECT. R & R APU INLET TEMP (T2) SENSOR IAW AMM 49-61-31. REMOVED CLEANED AND RE-INSTALLED APU INLET PRESSURE (P2) SENSOR IAW AMM 49-52-31. PERFORMED APU OPERATION AND BITE TEST IAW AMM 49-61-00-700-801 (BITE TEST) AND 49-11-00-850-801 (STARTING). NO ISSUES OR FAULTS FOUND. CURRENT STATUS HAS NO ISSUES OR FAULTS.