# Metallurgical Analysis of Leaking 16-Inch Line 402

**Citation:** DCA10MP008 docket item 380  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP008; docket item 380; Adobe PDF file.

## Document text

Metallurgical Analysis of Leaking 16-Inch Line 402 DCA10MP008 docket item 380. 2 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=40352340&FileExtension=.PDF&FileName=Metallurgical%20Analysis%20of%20Leaking%2016-Inch%20Line%20402-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `0a03c43e30c92996f34c83835800c9b4fe1cd10663c6fadaeafe2bdfcd62b68b`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-24T15:35:50.514Z
- Document slug: `ntsb-docket-item-40352340`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "DCA10MP008",
  "blobId": "40352340",
  "ordinal": 380,
  "pages": 2,
  "photos": 0,
  "publishedMediaType": "Adobe PDF file",
  "fileExtension": ".PDF",
  "fileName": "Metallurgical Analysis of Leaking 16-Inch Line 402-Master.PDF",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=DCA10MP008",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=77250",
  "docketReportedMode": "Hazmat",
  "docketCreationDate": "2010-09-14",
  "docketLastModifiedDate": "2015-02-24",
  "docketPublicReleaseDate": "2011-03-01",
  "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"
}
```