# Metallurgical Group- Picture 17 Magnetic Particle Inspection (MPI) testing is performed by a qualified technician on (piece b) after grit blasting of the external surfaces at the NTSB Ashburn, Virginia facility.

- **operation:** document
- **citation:** DCA10MP007 docket item 20
- **title:** Metallurgical Group- Picture 17 Magnetic Particle Inspection (MPI) testing is performed by a qualified technician on (piece b) after grit blasting of the external surfaces at the NTSB Ashburn, Virginia facility.
- **source type:** incident
- **agency:** National Transportation Safety Board
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** DCA10MP007; docket item 20; Adobe PDF file.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/ntsb-docket-item-40335738.json
- **markdown:** https://regulus.evalyn.ai/document/ntsb-docket-item-40335738.md
- **app url:** https://regulus.evalyn.ai/document/ntsb-docket-item-40335738
- **source url:** https://data.ntsb.gov/Docket/Document/docBLOB?ID=40335738&FileExtension=.PDF&FileName=Metallurgical%20Group-%20Picture%2017%20Magnetic%20Particle%20Inspection%20(MPI)%20testing%20is%20performed%20by%20a%20qualified%20technician%20on%20(piece%20b)%20after%20grit%20blasting%20of%20the%20external%20surfaces%20at%20the%20NTSB%20Ashburn,%20Virginia%20facility.-Master.PDF
**body:**

Metallurgical Group- Picture 17 Magnetic Particle Inspection (MPI) testing is performed by a qualified technician on (piece b) after grit blasting of the external surfaces at the NTSB Ashburn, Virginia facility. DCA10MP007 docket item 20. 1 page. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.
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- **body characters:** 364