What was found
CSS FAILED WITH FAULT AUTO SHUTDOWN. FAULT LIGHT WENT OUT AFTER 3 MINUTES. FOUND FAULT CODE 49-41010 THAT WAS 2 STARTS OLD UNDER FAULT HISTORY. UNDER CURRENT STATUS THERE WAS NO FAILURES. STARTED APU 2 TIMES & NO DISCREPANCIES NOTED. ACCOMPLISHED FIM TASK 49-40-00-810-801 P.1 STEP A THROUGH STEP E (1)(A) 26. NO DEFECTS NOTED. ACFT OK. FOR SERVICE. TSR ISSUED. REMOVED INLET PRESSURE SENSOR REF AMM 49-52-31-000-801. CLEANED ELECTRICAL CONNECTOR AND RECEPTACLE ON SENSOR AND SENSOR BASE. CLEANED INLET SENSOR TUBE AND REINSTALLED SENSOR REF AMM 49-52-31-400-801. SMALL AMOUNT OF DEBRIS FOUND IN CONNECTOR AND ON SENSOR BASE (NONE APPEARED TO HAVE ENTERED SENSOR TUBE). OPERATED APU AND VERIFIED NO NEW FAULTS IN CDU. APU OPS CKS GOOD.