As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CAT III APP GOT EGPWS TERRAIN WARNING-ACCOMPLISHED EGPWS ESCAPE MANUVER AT APPROX 400 FT AGL WITH FIREWALL POWER, HOWEVER EXCEEDENCE INDICATORS DID NOT EXCEED. OP CHECKED EGPWS 4 TIMES IAW AMM 34-48-01-5. COULD NOT DUPLICATE DISCREPANCY ON THE GROUND. SYS OPS CHECKED GOOD IAW 34-48-01-5. ACFT OK TO CONTINUE.