As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF BRIEFLY SMELLED BURNING SMELL FOR 10 SEC. SMELL DISSIPATED AND ALL INDICATIONS FINE. DURING DESCENT CA AND FO BOTH WERE FEELING FAINT. POSSIBLE FUME ISSUE. EMERGENCY WAS DECLARED / REMOVED AND REPLACED THE LH ACM IAW CRJ 700 AMM 21-51-08-400-801-A01. OPS CHECK AND LEAK CHECK GOOD NO SMELLS OR FUMES.