# SDR CA190823020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bombdr DHC8400
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 48300
- Condition: Low
- Location: Mlg
- 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/CA190823020

## Discrepancy

(CAN) ON APPROACH, THE NLG WAS SLOW TO EXTEND,   TROUBLESHOOTING BY MAINTENANCE DETERMINED THE MAIN SELECTOR VALVE WAS AT FAULT, VALVE REPLACED AND A/C RTS (TC# 20190823020)

---
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.
