# SDR DL73S040191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2004
- Submitted: March 3, 2004
- Operation: Air carrier
- Aircraft: [N329DL](https://openairdocs.org/aircraft/N329DL), registered now
- Make and model: Boeing 737232
- Aircraft serial: 23101
- Aircraft time: 49,448 hours, 39,097 cycles
- System (JASC): [2917 · Hydraulic Pressure Regulator, Main](https://openairdocs.org/jasc/2917)
- Part: Regulator
- Part number: 72909
- Condition: Leaking
- Location: Hyd Reservoir
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73S040191

## Discrepancy

LOSS OF A-SYSTEM HYDRAULIC PRESSURE.  FOUND NO RESERVOIR HEAD PRESSURE.  REPLACED RESERVOIR PRESSURE REGULATOR AND BOTH CHECK VALVES.

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