{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-04-29",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "status": "Terminated",
      "city": "Littleton",
      "state": "MA",
      "country": "United States",
      "classification": "Class II",
      "openfda": {},
      "product_type": "Devices",
      "event_id": "69778",
      "recalling_firm": "Mevion Medical Systems, Inc.",
      "address_1": "300 Foster St",
      "address_2": "N/A",
      "postal_code": "01460-2017",
      "voluntary_mandated": "Voluntary: Firm initiated",
      "initial_firm_notification": "E-Mail",
      "distribution_pattern": "US Distribution in the state of MO",
      "recall_number": "Z-0588-2015",
      "product_description": "MEVION S250, used for proton radiation therapy.",
      "product_quantity": "1",
      "reason_for_recall": "Software defect that causes an incorrect dose compensation function to be applied to the internal dose ionization chamber when either pressure or temperature sensor malfunction.  This could result in an incorrect dose delivery of no more than 5%.",
      "recall_initiation_date": "20141110",
      "center_classification_date": "20141211",
      "termination_date": "20150318",
      "report_date": "20141217",
      "code_info": "Serial Number: S250-0001"
    }
  ]
}