What was found
PHX - DURING A ROUTINE MAINTENANCE CHECK, RT MID CABIN EMERGENCY BATTERY PACK FAULTED DURING TEST. REMOVED AND REPLACED BATTERY PACK, OPS CHECK GOOD. (Z)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - DURING A ROUTINE MAINTENANCE CHECK, RT MID CABIN EMERGENCY BATTERY PACK FAULTED DURING TEST. REMOVED AND REPLACED BATTERY PACK, OPS CHECK GOOD. (Z)