What was found
FIRST OFFICER LOST AIRSPEED & ALTITUDE ON PFD. SWITCHED TO LT ADC, RETURNED TO NORMAL, NO EICAS MSG. RT ADC REPLACED & ALL SYS OPERATE NORMAL. PITOT STATIC CHECK ACCOMPLISHED IAW MM & OK. LOG PG 650212 & 650214.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIRST OFFICER LOST AIRSPEED & ALTITUDE ON PFD. SWITCHED TO LT ADC, RETURNED TO NORMAL, NO EICAS MSG. RT ADC REPLACED & ALL SYS OPERATE NORMAL. PITOT STATIC CHECK ACCOMPLISHED IAW MM & OK. LOG PG 650212 & 650214.