# SDR 97UAL900747

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N1855U](https://openairdocs.org/aircraft/N1855U), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 47837
- Engine: Ge CF650C2
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Seal
- Condition: Failed
- Location: Nr 3 Csd
- Stage of operation: CL
- Nature of condition: J, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900747

## Discrepancy

FROM OGG TO LAX, CSD NR 3 OIL LOW PSI LIGHT CAME ON AT LIFT-OFF.  CSD SHUT DOWN AND DIVERTED TO HNL.  *S/D*  CONSTANT SPEED DRIVE (CSD) UNIT FAILED BECAUSE OF LOW OIL.  THE LEAK WAS CAUSED BY A BAD OUTPUT SEAL AND BAD INPUT SEAL.  BOTH SEALS WERE REPLACED.

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