# SDR 2024F00279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2024
- Submitted: November 12, 2024
- Operation: General aviation
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 27458
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Oil Cooler
- Part number: NAS5385512
- Part serial: 3255
- Condition: Failed
- Location: Generator
- Stage of operation: CL
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024F00279

## Discrepancy

GEN#1 LOW OIL PRESS ILLUMINATED, LOW OIL ALSO ON VOLTIMETER. GEN WAS DISCONNECTED.  APU DID NOT START AFTER 3 ATTEMPTS. CORRECTIVE ACTION: WAS REPLACED THE FILTER ELEMENT OF THE LUVE  ALL FILTER FOR THE GENERATOR DRIVE OIL COOLER.  WAS REPLACED IGNITION UNIT AND PERFORMED APU OPERATION TEST

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