What was found
ALL FOUR EPSU BATTERIES FOUND BAD DURING TEST. / REMOVED AND REPLACED ALL FOUR EPSU BATTERIES IAW AMM 33-51-38"
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ALL FOUR EPSU BATTERIES FOUND BAD DURING TEST. / REMOVED AND REPLACED ALL FOUR EPSU BATTERIES IAW AMM 33-51-38"