# Metallurgical Evaluation of Cracking in Line 109 Seam Welds

**Citation:** DCA10MP008 docket item 370  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP008; docket item 370; Adobe PDF file.

## Document text

Metallurgical Evaluation of Cracking in Line 109 Seam Welds DCA10MP008 docket item 370. 12 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=40352330&FileExtension=.PDF&FileName=Metallurgical%20Evaluation%20of%20Cracking%20in%20Line%20109%20Seam%20Welds-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `f85d4b589f3fc77c49196455ffd5fa40e256d27aee0c68cdb5c6130304241621`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T11:00:06.683Z
- Document slug: `ntsb-docket-item-40352330`

### Source metadata

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  "docketReportedMode": "Hazmat",
  "docketCreationDate": "2010-09-14",
  "docketLastModifiedDate": "2015-02-24",
  "docketPublicReleaseDate": "2011-03-01",
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  "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"
}
```