As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CPC #1 AND #2 SYSTEM TEST FAILS CODE 001. GROUNDED - YES. REMOVED AND REPLACED #1 AND #2 CPC REF AMM 21-31-01/401. STILL REQUIRE OPS CHECKS. R.GRIMALDO 22707 07/11/2023. REINSTALLED CPC'S #1 AND #2, INSTL TEST PASS REF MM 21-31-01 AND 21-31-00-700-802, ETOPS GROUND VERIFICATION SUCCESSFUL SEAMC PHIL ADVISED. REF ALSO LOG 60851426 FOR WIRE REPAIR E4-1.