As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT# 6424, SAL-MCO. INOP EPSU EMERGENCY POWER SUPLY UNIT 11WL IN PASSENGER CABIN ; ACCOMPLISHED BY AEROMAN W/O 2021 211/1 N/R 2021-264572 ACCOMPLISHED BY 8641915 CHECKED BY 8603411. REMOVED EPSU P/N 3214-54-10 S/N 6013 AND REPLACED FOR SERVICABLE EPSU EMERGENCY POWER UNITFIN POSITIO (11WL) P/N 3214-54-10 S/N 5535 IAW AMM 33-51-38-400-001 TEST OK.