# SDR MALA060485

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2006
- Submitted: July 26, 2006
- Operation: Air carrier
- Aircraft: N433XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B433
- Aircraft time: 19,909 hours, 21,830 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Part number: 31342006
- Part serial: 97042
- Condition: Failed
- Location: Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA060485

## Discrepancy

DURING FLIGHT F/A REPORTED STRONG UNUSUAL BURNING SMELL. NOT SURE WHERE IT CAME FROM SUPP A/C.  SUPP A/C WAS ON DURING TAXI AND AFTER TAKEOFF FOR 10 MINUTES. AFTER SUPP A/C WAS TURNED OFF, FA REPORTED THE SMELL. AIR TURNBACK TO MSP.  GROUND RAN A/C (BOTH MOTORS) AND NO UNUSUAL BURNING SMELL NOTED. SUSPECT SMELL COMING FROM SHELLED OUT A/C GENERATOR. REPLACED AC GENERATOR PN 31342-006, SN OFF 97042, SN ON 99025. REPLACED LT A/C GCU, PN 51634-002, SN OFF 97057, S/N ON 1247.

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