What was found
INSPECTION TYPE:N/AUPON ARRIVING AIRCRAFT, VERY STRONG ODOR COMING FROM PACKS WITH EITHER OR BOTH PACKS SELECTED ON. ALMOST UNBEARABLE WITHOUT ENTRY DOOR OPEN.REF FIM 49-11-00-815-873-001. NO SIGNS OF OIL IN THE APU INLET OR COMPRESS DISCHRG AIR DUCT. NO EXT OIL LEAKS & CHIP DETECT CKS GOOD. FOUND & REMOVED BEETLES FROM APU INLET SCREEN REF AMM 21-00-01-002-001 FOR REMOVAL OF CONTAMIN FROM A/C PNEU FOR 30 MINS W/BOTH PKS ON. NO FUMES NOTED. SUSPECT BEETLE INGESTN AT APU INLET. THIS CLEARS M753656.