What was found
AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS EPSU BITE TEST FAULTED BATTERY (13WL) AFT L. REPLACED BATTERY PACK IAW AMM 33-51-38. OPS CHECK OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS EPSU BITE TEST FAULTED BATTERY (13WL) AFT L. REPLACED BATTERY PACK IAW AMM 33-51-38. OPS CHECK OKAY.