What was found
DURING HEAVY MAINTENANCE, EMERG LIGHT BATTERIES 10WL,12WL AND 13WL FAILED TEST; REMOVED AND REPLACED EMERG LIGHT BATTERIES IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, EMERG LIGHT BATTERIES 10WL,12WL AND 13WL FAILED TEST; REMOVED AND REPLACED EMERG LIGHT BATTERIES IAW AMM 33-51-38.