# SDR QXEA200701491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2007
- Submitted: October 1, 2007
- Operation: Air carrier
- Aircraft: N413QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4060
- Aircraft time: 15,292 hours, 15,147 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Power Unit
- Part number: 4213402
- Part serial: 413QXS
- Condition: Inoperative
- Location: Hyd System
- Part time: 12,799 hours, 12,844 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200701491

## Discrepancy

GEG - ON FLIGHT 2353, RETURNED TO GATE, STANDBY HYDRAULIC PRESSURE INDICATES ZERO PRESSURE.  MAINTENANCE REMOVED AND REPLACED STANDBY POWER UNIT.  OPERATIONAL CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.

---
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.