As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELT REMOVED FOR FAR 91.207D INSP WHITE POWDER NOTED AT PARTING SURFACE BETWEEN TRANSMITTER AND BATTERY COMPARTMENT. DISASSEMBLED ELT AND FOUND 6 OF 8 D-CELL BATTERIES LEAKING AND RUPTURED. ANY ELT USING INDIVIDUAL UNSEALED BATTERIES SHOULD HAVE ALL BATTERIES REPLACED YEARLY.