What was found
EPSU (10WL) AND (13WL) FAILED BITE TEST 33-51-00-710-001-A PER WEEKLY. / REMOVED AND REPLACED EPSU BATTERY (10WL) AND (13WL) IAW AMM 33-51-38-000-001-A AND 33-51-38-400-001-A OPS TEST GOOD."
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EPSU (10WL) AND (13WL) FAILED BITE TEST 33-51-00-710-001-A PER WEEKLY. / REMOVED AND REPLACED EPSU BATTERY (10WL) AND (13WL) IAW AMM 33-51-38-000-001-A AND 33-51-38-400-001-A OPS TEST GOOD."