What was found
AIRCRAFT WAS NOT GROUNDED: MAINTENANCE REPORTED THAT THE SECOND OBSERVER SEAT LIFE VEST OPENED. REPLACED LIFE VEST PER AMM 25-66-52.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: MAINTENANCE REPORTED THAT THE SECOND OBSERVER SEAT LIFE VEST OPENED. REPLACED LIFE VEST PER AMM 25-66-52.