As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLOAT BAGS FOUND TO BE PARTIALLY INFLATED, BOTTLE PRESSURE DOWN 1100 PSI. BOTTLE HAD BEEN LOOSING CHARGE OVER TIME. INVESTIGATION/TROUBLESHOOTING INCLUDED REPLACEMENT OF RELIEF VALVE AND CHARGE VALVE. FINAL DISSASEMBLY DETERMINED SHEAR HEAD TO HAVE FAILED.