# SDR SWAA071148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2007
- Submitted: March 2, 2007
- Operation: Air carrier
- Aircraft: [N399WN](https://openairdocs.org/aircraft/N399WN), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27693
- Aircraft time: 40,963 hours, 34,661 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 65C26839
- Condition: Ruptured
- Location: Hydraulic Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA071148

## Discrepancy

DECLARED EMERGENCY, LOSS OF HYDRAULIC B-SYSTEM ON APPROACH.  REMOVED AND REPLACED B-SYSTEM MODULE LINE PER MM.

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