As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - INFO NOTE CAPTS ALTIMETER IS 120FT HIGHER THEN FO'S ALTIMETER AT FL 370. TCAS TARGETS OTHER ACFT AT 900FT BELOW ( NOT 1000FT ) & 1100 FT ABOVE THIS ACFT. SUSPECT F/O'S ALT IS CORRECT ( MORE ) & CAPT'S INCORRECT, READING HIGH. CAPT ALTIMETER FOUND TO BE WITHIN LIMITS IAW FIM 34-00-00 FAULT CODE DIAGRAM, FIG 6. NO DEFECTS NOTED ON PITOT/STATIC TUBES.