# SDR SWAA2021062186055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2021
- Submitted: June 21, 2021
- Operation: Air carrier
- Aircraft: [N966WN](https://openairdocs.org/aircraft/N966WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36966
- Aircraft time: 32,163 hours, 19,675 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Leaking
- Location: B Hyd System
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021062186055

## Discrepancy

LOSS SYSTEM B HYDRAULIC FLUID INFLT BOTH LOW PRESS LIGHTS ILLUMINATED ELEC 1B ENG 2 ; / FOUND FLAP FLOW LIMITER FUSE LEAKING. R/R EDP AND EDMP CASE DRAIN FILTERS FOR B SYS; REPLACED B SYS RETURN FILTER. FOUND NO EVIDENCE OF DEBRIS OR METALIC PARTICLES; RESERVICED B RESEVOIR AND OPS CHECKED ALL SYSTEMS PER AMM REF 29-00-00 AND FIM 29-11-00-810 TASK 802

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