# SDR 2021FA0000333

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2021
- Submitted: November 23, 2021
- Operation: General aviation
- Aircraft: [N548KK](https://openairdocs.org/aircraft/N548KK), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK151
- Aircraft time: 7,320 hours, 7,178 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 45AS650201
- Part serial: 9AM1702
- Condition: Leaking
- Location: Zone 500
- Stage of operation: CR
- How discovered: V
- Nature of condition: K
- Precautionary procedure: A, H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000333

## Discrepancy

CRUISE AT FL390 AND GOT A LOW HYD QTY LIGHT, FOLLOWED BY R ENG HYD PRESS, THEN L ENG HYD PRESS.  CREW FOLLOWED CHECKLIST AND BLEW DOWN GEAR USING NITROGEN.

---
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.