As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT FAILING EPSU TEST(L4), AFTER R3 SLIDE WAS REPLACED. NOTE: THIS WAS DURING OVERNIGHT MAINTENANCE, BUT THE AIRCRAFT RETURNED TO SERVICE LATE DUE TO THIS FAULT. REMOVED AND REPLACED L4 SLIDE RAFT PACK ASSEMBLY. OPS CHECKED GOOD. REF AMM 25-62-44-400-007-A T/W USED F9TAB11495C DUE 04/2024. AND EPSU TEST IS OK. REF AMM 33-51-340-801-A. A/C OK TO CONTINUE