# SDR SWAA2023121431083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2023
- Submitted: December 14, 2023
- Operation: Air carrier
- Aircraft: [N454WN](https://openairdocs.org/aircraft/N454WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29851
- Aircraft time: 48,863 hours, 29,473 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: UNKNOWN
- Condition: Faulty
- Location: Zn 100 Fus Lower
- Stage of operation: CR
- How discovered: 9
- Nature of condition: K, O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023121431083

## Discrepancy

AT CRUISE #1 ENG A HYD PUMP LOW PSI LIGHT ILLUMINATED<[01] REMOVED AND REPLACED #1 ENGINE DRIVEN PUMP;'A' SYSTEM; (EDP) ; PER. AMM REF. 29-11-11. OPS. AND LEAK CHECKED GOOD PER. AMM REF. 29-11-11.

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