As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: ELPU 4 FAILED ON OPERATIONAL CHECK; REF AE NR 2022-196902, WO 2022-85/1.REMOVED AND REPLACED ALPU4 IAW AMM 33-50-01-000-801 & 33-50-01-400-801-A. OPS CHECKS ARE GOOD. WORK ACCOMPLISHED BY 8609817, RII BY 8655408.