As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMELLED STRONG SMOKE SMELL IN COCKPIT AND CABIN DURING FLIGHT. (EMERGENCY DECLARED -- FIRE TRUCKS ROLLED AS A PRECAUTION). REMOVED AND CLEANED LT & RT PACKS WATER EXTRACTORS IAW CMM 21-52-23. OP'S CHECKS GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME.