# SDR SWAA2026031178667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2026
- Submitted: March 11, 2026
- Operation: Air carrier
- Aircraft: [N7861J](https://openairdocs.org/aircraft/N7861J), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 33008
- Aircraft time: 56,841 hours, 38,203 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Filter
- Part number: 840002074
- Part serial: BN735874
- Condition: Inoperative
- Location: Hyd System
- 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/SWAA2026031178667

## Discrepancy

LOSS OF HYDRAULIC B SYSTEM,  NO OVERWEIGHT LANDING.   REMOVED AND INSTALLED DUE TO HYDRAULIC LOSS, B ELECTRIC PUMP,  B SYSTEM HYD FILTER, & TRAILING EDGE FLAP FLOW TRANSMITTER.

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