# SDR SWAA2017070314688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2017
- Submitted: July 3, 2017
- Operation: Air carrier
- Aircraft: N7830A
- Make and model: Boeing 737-7L9
- Registry model: [Boeing 737-7L9](https://openairdocs.org/model/boeing-737-7l9) (OpenAirDocs)
- Aircraft serial: 28008
- Aircraft time: 54,467 hours, 22,515 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Limiter
- Part number: 679402
- Condition: Leaking
- Location: Flap Hyd Sys
- 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/SWAA2017070314688

## Discrepancy

ON FIRST FLAP SELECTION DURING INITIAL APPROACH, COMPLETE LOSS OF SYSTEM B HYDRAULIC QUANTITY. EMERGENCY DECLARED.   R & R FLOW LIMITER IAW MM.

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