As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - RIGHT AFTER T/O STALL FAIL CAUTION LIGHT CAME ON. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. IN MDC HISTORY FOUND "SPC L/R AOA DISAGREE". PERFORMED FUNCTIONAL TEST OF STALL PROTECTION COMPUTER PER CRJ700 AMM TASKS 27-35-01-720-801, FUNCTIONAL TEST GOOD. REMOVED & REPLACED LT ANGLE-OF-ATTACK TRANSDUCER PER CRJ700 AMM TASKS 27-35-05-000-801 & 27-35-05-400-801 AS A PRECAUTIONARY MEASURE, RT WAS REMOVED AND REPLACED 3-24-09. OPS TEST GOOD. RETURNED TO SERVICE.