What was found
GRYPHON N506NK 02490 EPSU BATTERY 11WL FAILED OPC. CORRECTIVE ACTION PERFORMED ON LTPR NR#5001329454-0010. REPLACED EPSU BATTERY IAW AMM 33-51-38-04 REV83.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
GRYPHON N506NK 02490 EPSU BATTERY 11WL FAILED OPC. CORRECTIVE ACTION PERFORMED ON LTPR NR#5001329454-0010. REPLACED EPSU BATTERY IAW AMM 33-51-38-04 REV83.