As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOMENTARY SPEED FLAGS IN VIEW PRIOR TO TAKEOFF ON CAPT AND F/O ADI. ON TAKEOFF ROLL, AFTER INITIAL INCREASE OF AIRSPEED ON F/O AIRSPEED INDICATOR, GOT A FLAG IN THE AIRSPEED WINDOW. AFTER REJECT, FLAG WENT AWAY. REMOVED AND REPLACED F/O'S ELECTRIC AIRSPEED INDICATOR REF B727 MM 34-12-000-5. PERFORMED PITOT LEAK TEST REF B727 MM 34-12-000-5. ALL TESTS NORMAL. PREMATURE REMOVAL/INSTALLATION.