As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EPSU CAP TEST FOUND FWD LT EPSU FAILED CAP TEST. (10WL) P.O.O MRF 67209 BATTERY FAILED. REMOVED ACCESS PANEL TO 10WL. PERFORMED TEST AT EPSU UNIT BATTERY FAIL LIGHT ON. REMOVED BATTERY IAW AMM 33-51-38-000-002-A. INSTALLED IAW 33-51-38-400-002-A. TEST OK PANEL. R & R IAW AMM -25-23-42-00-001.