# SDR 2004UALA00733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2004
- Submitted: August 17, 2004
- Operation: Air carrier
- Aircraft: [N352UA](https://openairdocs.org/aircraft/N352UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 24320
- Aircraft time: 46,741 hours, 25,495 cycles
- Engine: Ge CFM56*
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Csd
- Condition: Failed
- Location: Nr 1 Engine
- 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/2004UALA00733

## Discrepancy

RETURNED TO ORD DUE TO A NR 1 ENGINE GENERATOR DRIVE LIGHT. NR 1 CSD FAILED. OIL LOSS EVIDENT ON COWL, CSD EXTREMELY HOT ON ARRIVAL, SUSPECT INTERNAL FAILURE. REPLACED THE NR 1 CSD, EXCESSIVE METAL FOUND ON CHIP DETECTOR. SHOP FOUND EXTENSIVE INTERNAL CSD FAILURE

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