As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON COMPLETION OF LIFE VEST INSPECTION (12 EACH), EVERY RESCUE LIGHT WITH A MNAUFACTURE DATE OF JUNE, 1997, HAD FAILED DUE TO CASE SWELLING (9 EACH) AFTER ONLY 3 MONTHS IN SERVICE. OTHER LIGHTS WITH DIFFERENT MANUFACTURE DATES DID NOT FAIL DURING THE SAME 3 MONTH PERIOD.