As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM ATW TO DEN OVER NEBRASKA WITH THE LH PACK ON MEL RECEIVED RH PACK OVERPRESSURE MULTIPLE TIMES. FLIGHT DECLARED AN EMERGENCY, DESCENDED TO 10,000 FT AND CONTINUED TO DEN. AIRCRAFT REMOVED FROM SERVICE CW OPS CHECK OF RH PACK IAW AMM 21-51-00. OPS CHECK GOOD .