What was found
AT FL 330 LOST L AC BUSS, G/S A/C EMERGENCY POWER ON NUMEROUS FAULTS AND INDICATION ERRORS. REPLACED EPCU AND OPS CHECKED REF AMM 24-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT FL 330 LOST L AC BUSS, G/S A/C EMERGENCY POWER ON NUMEROUS FAULTS AND INDICATION ERRORS. REPLACED EPCU AND OPS CHECKED REF AMM 24-21.