# SDR SWAA040059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2004
- Submitted: January 23, 2004
- Operation: Air carrier
- Aircraft: N790SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 30604
- Aircraft time: 11,677 hours, 6,614 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 95850V0
- Condition: Failed
- Location: Hyd System
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA040059

## Discrepancy

DIVERSION, DECLARED EMERGENCY, ON APPROACH UNABLE TO LOWER FLAPS IN NORMAL.  LOWERED FLAPS IN ALT, UNABLE TO LAND IN MDW AT 15.  DIVERTED TO IND, CAUSED BY LOSS OF B SYSTEM HYD.  FOUND HYD PUMP PRESS LINE BLOWN.  REMOVED AND REPLACED HYD LINE PER MM.

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