What was found
AIRCRAFT WAS NOT GROUNDED: PASSENGER SEAT 12A LIFE VEST REMOVED AND OPENED - MAINTENANCE REPLACED LIFE VEST AS REQUIRED
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: PASSENGER SEAT 12A LIFE VEST REMOVED AND OPENED - MAINTENANCE REPLACED LIFE VEST AS REQUIRED