What was found
AIR TURN BACK STANDBY AIRSPEED INDICATOR INOPERATIVE. R & R AIRSPEED INDICATOR IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURN BACK STANDBY AIRSPEED INDICATOR INOPERATIVE. R & R AIRSPEED INDICATOR IAW AMM.