# IMP IR 49 Pressure Restriction History

**Citation:** DCA10MP007 docket item 220  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP007; docket item 220; Adobe PDF file.

## Document text

IMP IR 49 Pressure Restriction History DCA10MP007 docket item 220. 94 pages. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=40367517&FileExtension=.PDF&FileName=IMP%20IR%2049%20Pressure%20Restriction%20History-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `289c4fc05d68ad0a5d288ee051f0dca91c76d95be9c9e15079e6b70d39bbc6f8`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-22T22:02:02.824Z
- Document slug: `ntsb-docket-item-40367517`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "DCA10MP007",
  "blobId": "40367517",
  "ordinal": 220,
  "pages": 94,
  "photos": 0,
  "publishedMediaType": "Adobe PDF file",
  "fileExtension": ".PDF",
  "fileName": "IMP IR 49 Pressure Restriction History-Master.PDF",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=DCA10MP007",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=76766",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2010-08-25",
  "docketLastModifiedDate": "2016-08-15",
  "docketPublicReleaseDate": "2012-05-22",
  "metadataOnly": true,
  "binaryMirrored": false,
  "caveat": "Docket item metadata and official link only. The title does not establish authorship, evidentiary weight, NTSB endorsement, legal effect, or a current regulatory finding; party submissions and evidence binaries are not mirrored.",
  "jurisdiction": "US"
}
```