# SDR SWAA011099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2001
- Submitted: April 30, 2001
- Operation: Air carrier
- Aircraft: [N388SW](https://openairdocs.org/aircraft/N388SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26591
- Aircraft time: 23,372 hours, 20,988 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 731442
- Part serial: MX552374
- Condition: Overheated
- Location: Hyd System
- 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/SWAA011099

## Discrepancy

AIR TURNBACK.  A SYSTEM HYD ELECTRIC PUMP OVERHEAT LIGHT ILLUMINATED.  REMOVED AND REPLACED A HYD PUMP AND ELECTRICAL CONNECTOR PER MM.  OPS 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.