What was found
PHX - DURING ROUTINE MAINTENANCE CHECK, AFT LT EMERGENCY LIGHT POWER SUPPLY FAULTED DURING TEST. REPLACED POWER SUPPLY UNIT, OPS CHECK GOOD. (W)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - DURING ROUTINE MAINTENANCE CHECK, AFT LT EMERGENCY LIGHT POWER SUPPLY FAULTED DURING TEST. REPLACED POWER SUPPLY UNIT, OPS CHECK GOOD. (W)