# SDR SWAA2019011428410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2019
- Submitted: January 14, 2019
- Operation: Air carrier
- Aircraft: [N8571Z](https://openairdocs.org/aircraft/N8571Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36957
- Aircraft time: 2,208 hours, 948 cycles
- System (JASC): [2912 · Hydraulic Filter, Main](https://openairdocs.org/jasc/2912)
- Part: Filter
- Part number: 7595270
- Condition: Defective
- Location: Hydraulic Sys
- Stage of operation: CL
- 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/SWAA2019011428410

## Discrepancy

AIR TURNBACK, A HYDRAULIC SYSTEM LOW PSI AND QTY REDUCTION AFTER TAKEOFF.  R&R HYDRAULIC CASE DRAIN FILTER PER MM.

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