What was found
DURING C-4 CHECK, INSPECTION REPORTED LT. MID CABIN EPSU 12WL FAILED CAPACITY TEST. REPLACED BATTERY PACK 12WL. OPS CHECK NORMAL IAW AMM 33-51-38, PB 401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED LT. MID CABIN EPSU 12WL FAILED CAPACITY TEST. REPLACED BATTERY PACK 12WL. OPS CHECK NORMAL IAW AMM 33-51-38, PB 401.