# SDR SWAA114187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2011
- Submitted: June 8, 2011
- Operation: Air carrier
- Aircraft: N652SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27722
- Aircraft time: 45,905 hours, 36,730 cycles
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Csd
- Part number: 735511A
- Part serial: B0341
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA114187

## Discrepancy

AIR TURNBACK, NR 1 CSD LOW OIL PRESSURE LIGHT ILLUMINATED.  COMPLETED QRH CHECKLIST, APU WOULD NOT ACCEPT NR 1 GEN.  REMOVED AND REPLACED CSD AND OIL COOLER PER MM.

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