# SDR SWAA2026070618525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N437WN](https://openairdocs.org/aircraft/N437WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29832
- Aircraft time: 76,024 hours, 45,346 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Pressure Loss
- Location: Zone 400
- 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/SWAA2026070618525

## Discrepancy

DURING CLIMB; A-HYD. PRESSURE ELECT PUMP OVERHEAT (LIGHT ILLUM.); A-HYD. PRESS. OVER 3400 (PSI)   FOUND EDP A WILL NOT PRESSURIZE DURING ENGINE OPERATION. R & R EDP IAW AMM 29-11-11. R & R EDP PRESS HOSE, NO LEAKS NOTED.

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