As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, A COMPRESSOR STALL FOLLOWED BY ENGINE SEARCH WAS EXPERIENCED. THE ENGINE HAS BEEN INSPECTED AND MX PROCEDURE PERFORMED FOUNDED ALL NORMAL. HELICOPTER FUEL TANK INSPECTED AND FOUNDED DEBRIS FROM AN UNKNOWN SOURCE LIKE RUBBER. HELICOPTER LATER RELEASED FOR FLIGHT AND THE SAME CONDITION REAPPEARS FURTHER INSP TO THE FUEL TANK REVEALS THAT THE RT SIDE WAS STARTING TO DECOMPOSE ON RUBBER MATERIAL FUEL TANK WAS REMOVED FROM THE ROTORCRAFT. MAIN FUEL TANKS HAVE BEEN REPLACED ON 1999.