# SDR AALA20090714MIA03

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2009
- Submitted: July 15, 2009
- Operation: Air carrier
- Aircraft: [N634AA](https://openairdocs.org/aircraft/N634AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 24592
- Aircraft time: 59,805 hours, 20,965 cycles
- System (JASC): [2932 · Hydraulic Pressure Sensor](https://openairdocs.org/jasc/2932)
- Part: Pressure Switch
- Condition: Failed
- Location: Hydraulic Sys
- Stage of operation: TX
- 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/AALA20090714MIA03

## Discrepancy

AIRCRAFT AIR INTERUPT WITH LEFT HAND ENGINE HYDRAULIC PUMP LOW PRESS INDICATION. REPLACED HYDRAULIC LOW PRESS SWITCH AND HYDRAULIC FILTER. ACP OVERWEIGHT LANDING  SYSTEM GROUND CHECK NORMAL OPERATION. (CLOSED)

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