As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE EXTINGUISHER WAS RECEIVED INTO SHOP AS CONDITION UNKNOWN, NO TAG. UPON DISASSEMBLY, THE FOLLOWING DISCREPANCIES WERE NOTED RENDERING UNIT INOPERABLE. AGENT REMOVED NOT HALON 1301 AS SPECIFIED. ADDITIONAL COPPER DISK INSTALLED UNDER RUPTURED DISK, NOT O.E.M. RUPTURED DISK NOT RECOGNIZED AS APPROVED PART. GAUGE READS 'O' PSI. FAA NOTE: PART ORIGINATED OUTSIDE U.S.