As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3953 -PRESS- DECLARED EMERGENCY DUE TO LOSS OF CABIN PRESSURIZATION ON APPROACH DAB. RIGHT PACK ON MEL. CORRECTIVE ACTION: MAINTENANCE REPLACED DUCT CONNECTORS ON LEFT AND RIGHT PACKS PER B737 AMM 21-51. PACK OPS CHECK AND PRESSURIZATION OK.