What was found
EPSU BATTERY 12WL FAILED THE TEST ON THE HEAVY SERVICE CHECK. R & R EPSU BATTERY 12WL IAW AMM 33-51-38-000-002-A & 33-51-38-400-002 A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EPSU BATTERY 12WL FAILED THE TEST ON THE HEAVY SERVICE CHECK. R & R EPSU BATTERY 12WL IAW AMM 33-51-38-000-002-A & 33-51-38-400-002 A.