As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3837 -PRESS/DE- DECLARED EMERGENCY DUE TO CABIN ALTITUDE CLIMBING DURING DESCENT. CORRECTIVE ACTION: AIR DUCT IN LEFT PACK BAY LEAKING. REPLACED SAME. FOUND RIGHT PACK FLOW CONTROL VALVE DISCRETE INOP. REPLACED VALVE. LT-RT PZTC FAILED BITE CHECK. REPLACED SAME. SINGLE PACK CONFIDENCE CHECK OPS CHECKS GOOD.