As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: AIRCRAFT WAS IN SCHEDULED MAINTENANCE AND WAS NOT OUT OF SERVICE DUE TO ISSUE: LP359934 ITEM 1, EPSU 14WL FAULTING. CORRECTIVE ACTION: REMOVED AND REPLACED EPSU 14WL REF. AMM 33-51-38-000-001-A/400-001-A. OPS TEST OKAY. A/C OKAY TO CONTINUE./END/