# SDR 2023F00326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2023
- Submitted: November 10, 2023
- Operation: General aviation
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 66087
- Part serial: K1222
- Condition: Failed
- Location: Zone 500
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023F00326

## Discrepancy

ENG 1 HYD PULP LOW PRESSURE LIGHT ILLUMINATED ELEC 2 HYD PUMP LOW PRESS LT ILLUMINATED IN 1 HR BEFORE LANDING.  ENG 2 HYD PUMP LOW PRESS LT ILLUMINATED, BUT EXTINGUISHED DECENDING ALT 18,000.

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