# SDR UPS98526544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N456UP](https://openairdocs.org/aircraft/N456UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25477
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 727792K
- Condition: Failed
- Location: Lt Engine
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS98526544

## Discrepancy

INSPECTION TYPE-N/A, LEFT GEN FAILED.  EICAS MSG L GEN DRIVE DISPLAYED.  GEN DRIVE LIGHT ILLUM.  GEN DRIVE DISCONECTED, RIGHT GEN WAS DEFERRED.  FOUND FILTER BYPASS POPPED AND METAL CHIPS IN FILTER.  REPLACED LT IDG (P/N 727792K), (S/N A1120) OFF, (S/N A1004) ON.  SEE ITEM 3 FOR POSSIBLE OIL COOLER CONTAMINATION.  WORK PER MM 24-11-01, OPS CHECKS GOOD PER MM 24-11-00.

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