# SDR SWAA2024112772235

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2024
- Submitted: November 27, 2024
- Operation: Air carrier
- Aircraft: [N470WN](https://openairdocs.org/aircraft/N470WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33860
- Aircraft time: 67,914 hours, 40,687 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Limiter
- Condition: Faulty
- Location: Zn 100 Fus Lower
- Stage of operation: CR
- 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/SWAA2024112772235

## Discrepancy

B HYD SYSTEM ENG AND ELEC LOW PRESSURE; QUANTITY DROPPED TO ZERO IN FLIGHT; STBY HYD LOW QTY AT GATE<[01] 01 - REMOVED AND REPLACED PER [AMM 27-51-67-401-NG (TRAILING EDGE FLAP FLOW LIMITER - REMOVAL/INSTALLATION - PERMANENT)]. OPPS CHECK GOOD

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
