# SDR AALA2009060100007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2009
- Submitted: July 1, 2009
- Operation: Air carrier
- Aircraft: [N920AN](https://openairdocs.org/aircraft/N920AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29521
- Aircraft time: 29,258 hours
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Malfunctioned
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2009060100007

## Discrepancy

IAD - DURING FLIGHT THE NUMBER 1 AND  2 HYDRAULIC LOW PRESSURE ANNUNCIATOR ILLUMINATED.  REPLACED B-SYSTEM HYDRAULIC PUMP AND INSTALLED RETURN AND PRESSURE FILTERS.  SYSTEM GROUND CHECK NORMAL OPERATION.

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