What was found
CHEMICAL SMELL THROUGHT THE AIRCRAFT.-REF TSM 05-50-00-810-831-A SUSPECTED APU AT FAULT PER DECSION TABLE. PERFORMED LEVEL B/C INSPECTION OF THE APU PER AMM 49-00-00. FOUND NO OIL OR FUEL LEAK. FOUND HOWEVER, WATER RESTING IN THE APU AIR INTAKE. PERFORMED CLEANING OF THE APU AIR INTAKE PER AMM 49-16-00. PERFORMED ALSO A "LEVEL B" ECS DECONTAMINATION OF THE PACK SYS PER AMM 21-00-00. NO ODOR OR SMELL PRESENT A/C OK FOR CONT'D SVC.