What was found
DURING NON ROUTINE CHECK, FOUND EMERGENCY POWER SUPPLY UNIT 11WL FAILS BITE CHECK. REPLACED EPSU AT 11WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING NON ROUTINE CHECK, FOUND EMERGENCY POWER SUPPLY UNIT 11WL FAILS BITE CHECK. REPLACED EPSU AT 11WL.