# 5 - MATL - NTSB MATERIALS LABORATORY FACTUAL REPORT 19-028

**Citation:** PLD18FR002 docket item 59  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD18FR002; docket item 59; Text/Image.

## Document text

5 - MATL - NTSB MATERIALS LABORATORY FACTUAL REPORT 19-028 PLD18FR002 docket item 59. 29 pages. 0 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=9976504&FileExtension=pdf&FileName=19-028%20remaining%20tests%20-%20FINAL-Rel.pdf>
- Source ID: `ntsb-dockets`
- SHA-256: `cfeb2b35c7c0a6aaaf2f3c6eee8ca76eabcbd9b69e88ef3368037967ec7ce906`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-22T19:25:30.467Z
- Document slug: `ntsb-docket-item-9976504`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "PLD18FR002",
  "blobId": "9976504",
  "ordinal": 59,
  "pages": 29,
  "photos": 0,
  "publishedMediaType": "Text/Image",
  "fileExtension": "pdf",
  "fileName": "19-028 remaining tests - FINAL-Rel.pdf",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=PLD18FR002",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=96787",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2018-05-07",
  "docketLastModifiedDate": "2021-02-09",
  "docketPublicReleaseDate": "2020-08-03",
  "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"
}
```