# SDR SWAA2013080818978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2013
- Submitted: August 8, 2013
- Operation: Air carrier
- Aircraft: N373SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26581
- Aircraft time: 64,542 hours, 53,763 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 887477
- Part serial: MX643412
- Condition: Faulty
- Location: Hydraulic Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2013080818978

## Discrepancy

AIR TURNBACK, TOTAL LOSS OF B SYSTEM HYDRAULIC FLUID DURING FLAP RETRACTION, AFTER TAKEOFF.  R&R NR 2 ELECTRIC HYDRAULIC  PUMP NR 2 ENGINE HYDRAULIC PUMP NR 7 HYDRAULIC PUMP NR 7.  SPOILER ACTUATOR IAW AMM.

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