As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, EPSU 12WL FAILED OPS TEST; REF AEROMAN NR 2022-156039 WO 2022 5/1 REMOVED AND REPLACED EPSU 12WL IAW AMM 33-51-38-000-001-A AND AMM 33-51-38-400-001-A AND PERFORMED OPERATIONAL TEST THE EPSU IAW AMM 33-51-00-710-001-A TEST IS OK.