# SDR SWAA2023071076920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2023
- Submitted: July 10, 2023
- Operation: Air carrier
- Aircraft: [N925WN](https://openairdocs.org/aircraft/N925WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36630
- Aircraft time: 49,641 hours, 30,036 cycles
- System (JASC): [2911 · Hydraulic Power Accumulator, Main](https://openairdocs.org/jasc/2911)
- Part: Filter
- Part number: UNKNOWN
- Condition: Failed
- Location: Zn 400 Nacelle/P
- Stage of operation: CR
- How discovered: 9
- Nature of condition: J, K, O
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023071076920

## Discrepancy

B HYD SYSTEM FAILURE<[01] REMOVED AND REPLACED #2 ENGINE DRIVE HYDRAULIC PUMP IAW MM 29-11-11<BR>REMOVED AND REPLACED B SYSTEM ELECTRIC HYDRAULIC PUMP IAW MM 29-11-21<BR>REMOVED AND REPLACED B SYSTEM HYDRAULIC FILTERS AND HYDRAULIC FUSE IAW MM 29-11-41<BR><BR>OPS CHECKS GOOD

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