# SDR QMLA2024122420153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2024
- Submitted: December 25, 2024
- Operation: Air carrier
- Aircraft: [N193AM](https://openairdocs.org/aircraft/N193AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54004
- Aircraft time: 8,179 hours
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: RG407
- Part serial: 41303030
- Condition: Odor
- Location: Zone 100
- Part time: 483 hours, 1,126 cycles
- Stage of operation: CL
- 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/QMLA2024122420153

## Discrepancy

PILOT REPORTED SEWAGE/ SULFUR SMELL. VOLTAGE ALSO DROPS TO 13 VOLTS ON START UP AND TAKES A WHILE TO RECOVER. REMOVED AND REPLACED BATTERY PERFORMED GROUND RUN AND 10 MIN MAINTENANCE FLIGHT. NO DEFECTS NOTED IN REF TO BELL 407 MM CH 24.

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