As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALTIMETER DISAGREE- EICAS DISPLAYED..CAP 300 LOWER THAN FO ALT AT FL270.. ON DEBRIEF FROM CREW FTL WAS 25,000 FT. CAPTAINS ALTIMETER READING 300 HIGHER THEN F/O SIDE PER CREW BRIEFING, CA SIDE WAS 300 HIGHER THAN STBY AND FO. BOTH STBY AND FO READINGS WERE THE SAME AND DID NOT CLIMB HIGH THAN FL250. REMOVED AND REPLACED LEFT ADM ADIRU STATIC PRESSURE IN REF WITH AMM 34-26-03-404-009.