What was found
STANDBY ALTIMETER INDICATION ERRONEOUS, SHOWS 300 FEET HIGH AT FL350, DISPLAYS 35300 WITH STD SET. REMOVED AND REPLACED THE STANDBY ALTIMETER IAW MM 34-21-22-00-001A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STANDBY ALTIMETER INDICATION ERRONEOUS, SHOWS 300 FEET HIGH AT FL350, DISPLAYS 35300 WITH STD SET. REMOVED AND REPLACED THE STANDBY ALTIMETER IAW MM 34-21-22-00-001A