What was found
AFTER DEPARTURE FIRST OFFICER'S EHSI DISPLAY WENT BLANK. RETURNED TO LAX. REMOVED AND REPLACED NR 2 HPU74 WITH SERVICEABLE UNIT. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER DEPARTURE FIRST OFFICER'S EHSI DISPLAY WENT BLANK. RETURNED TO LAX. REMOVED AND REPLACED NR 2 HPU74 WITH SERVICEABLE UNIT. OPS CHECK GOOD.