# SDR SWAA2019120939412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2019
- Submitted: December 9, 2019
- Operation: Air carrier
- Aircraft: [N967WN](https://openairdocs.org/aircraft/N967WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36967
- Aircraft time: 28,593 hours, 17,296 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Limiter
- Part number: 272A44406
- Condition: Low Pressure
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2019120939412

## Discrepancy

DECLARED EMERGENCY---------------------------------------------------------------ON CLIMB OUT AT ABOUT 20.0 TO 30.0 THOUSAND FEET, B SYSTEM HYDRAULIC ELECTRIC 1 AND ENG. 2 LOW PRESSURE LIGHTS AND FLIGHT CONTROL B LOW PRESS LIGHT ILLUMINATED. WE  COMPLETED THE QRH LOSS OF SYSTEM B CHECKLIST. LANDED NORMALLY. COMPLETED BRAKE COOLING CHECKLIST. TAXIED NORMALLY TO CLOSE TO GATE THEN TOWED IN.                                       / R&R TRAILING EDGE FLAP FLOW LIMITER PER AMM.

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