# SDR CA190527022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bombdr BD1001A10
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Pawl
- Part number: 243182002
- Condition: Misinstalled
- Location: Horizontal Stab
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190527022

## Discrepancy

(CAN) DISCLOSURE LETTER TO BE RECEIVED ON 31-MAY-19. IT WAS DISCOVERED DURING THE CERTIFICATION OF AN HSTECU THAT ON HSTA S/N 301, ONE OF THE 2 COMPRESSION NO-BACK PAWLS WAS MIS-INSTALLED. THE MIS-INSTALLED PAWL CANNOT PERFORM ITS INTENDED FUNCTION. THE AIRCRAFT AFFECTED ARE ALL CHALLENGER 300 AND 350 (BD-100-1A10) MODELS AND IS BEING ASSESSED AS PART OF  CONTINUING AIRWORTHINESS PROJECT BD1-CA-27-0055.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.