As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LPLP318595 DURING HEAVY SERVICE CHECK CARD HS2010-01PARA G FOUND DEFECTIVE EPSU, 15-WL, EPSU REQUIRES REPLACEMENT. NOTE: FAULT CODE EPSU (15WL) MID L PER TSM 33-51-00-810-872-0-A CORRECTIVE ACTION: REMOVED EPSUE 15-WL AND REPLACED WITH NEW EPSU 15-WL .PERFORMED OPS CHECK, CHECK IS GOOD. NO FURTHER ACTION REQUIRED. IAW AMM 33-51-38-000/400-001-A/ END/