What was found
DURING C-4 CHECK, INSPECTION REPORTED MID CABIN EPSU FAILED CAPACITY TEST. REPLACED 11WL MID CABIN EPSU. OPS CHECK GOOD IAW AMM 33-51-38, PB401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED MID CABIN EPSU FAILED CAPACITY TEST. REPLACED 11WL MID CABIN EPSU. OPS CHECK GOOD IAW AMM 33-51-38, PB401.