# MATERIALS LABORATORY FACTUAL REPORT

**Citation:** PLD19MR001 docket item 3  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD19MR001; docket item 3; Text/Image.

## Document text

MATERIALS LABORATORY FACTUAL REPORT PLD19MR001 docket item 3. 6 pages. 6 photograph references. Published media type: Text/Image. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=9265171&FileExtension=pdf&FileName=Lab%20Factual%20PLD19MR001%20-%20Final-Rel.pdf>
- Source ID: `ntsb-dockets`
- SHA-256: `1d6eb29e5573b9572b41ebf756edf1640a14f8b9921e47f1efe05004522774a3`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-24T16:46:30.790Z
- Document slug: `ntsb-docket-item-9265171`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "PLD19MR001",
  "blobId": "9265171",
  "ordinal": 3,
  "pages": 6,
  "photos": 6,
  "publishedMediaType": "Text/Image",
  "fileExtension": "pdf",
  "fileName": "Lab Factual PLD19MR001 - Final-Rel.pdf",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=PLD19MR001",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=98960",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2019-07-18",
  "docketLastModifiedDate": "2021-08-05",
  "docketPublicReleaseDate": "2020-04-06",
  "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"
}
```