# SDR SWAA2024122380260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2024
- Submitted: December 23, 2024
- Operation: Air carrier
- Aircraft: [N8664J](https://openairdocs.org/aircraft/N8664J), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36649
- Aircraft time: 32,692 hours, 15,832 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Low Pressure
- Location: Zone 300
- 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/SWAA2024122380260

## Discrepancy

JUST PRIOR TO TOP OF DESCENT FLIGHT CONTROL B LOW PRESSURE LIGHT ILLUMINATED; NOTICED NO HYDRAULIC SYSTEM B ABNORMALITIES. FOLLOWED QRH AND SWITCHED TO STANDBY RUDDER<[01] ACCOMPLISHED FIM 27-21 TASK 814 WITH NO DEFECTS NOTED AND OPS CHECKS GOOD. NO 10 DAY HISTORY; AC OK FOR SERVICE

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