What was found
FLT#2283, BOS-RDU. (AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS) ' STBY AIRSPEED UNRELIABLE; REMOVED AND REPLACED STBY AIRSPEED INDICATOR IAW AMM 34-21-26.'
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT#2283, BOS-RDU. (AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS) ' STBY AIRSPEED UNRELIABLE; REMOVED AND REPLACED STBY AIRSPEED INDICATOR IAW AMM 34-21-26.'