# 4 - INTEGRITY MANAGEMENT - ADDITIONAL DATA ON KNOWN COUPLINGS ON 1-30-24 (2 MILE RADIUS)

**Citation:** PLD24FR003 docket item 72  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD24FR003; docket item 72; Text/Image.

## Document text

4 - INTEGRITY MANAGEMENT - ADDITIONAL DATA ON KNOWN COUPLINGS ON 1-30-24 (2 MILE RADIUS) PLD24FR003 docket item 72. 9 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=18177445&FileExtension=pdf&FileName=Additional%20data%20on%20Known%20Couplings%20on%201-30-24%20(2%20Mile%20Radius)_Redacted-Rel.pdf>
- Source ID: `ntsb-dockets`
- SHA-256: `fcf487302ccd80054eefab7d19bc978c0b0b3448c825f17f1d324f1570f98eed`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T23:44:52.417Z
- Document slug: `ntsb-docket-item-18177445`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "PLD24FR003",
  "blobId": "18177445",
  "ordinal": 72,
  "pages": 9,
  "photos": 0,
  "publishedMediaType": "Text/Image",
  "fileExtension": "pdf",
  "fileName": "Additional data on Known Couplings on 1-30-24 (2 Mile Radius)_Redacted-Rel.pdf",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=PLD24FR003",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=193711",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2024-09-05",
  "docketLastModifiedDate": "2024-01-26",
  "docketPublicReleaseDate": "2025-01-15",
  "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"
}
```