# SDR QMLA2026012520005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: January 25, 2026
- Operation: Air carrier
- Aircraft: [N473RA](https://openairdocs.org/aircraft/N473RA), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54045
- Aircraft time: 8,409 hours, 31,274 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Chip Detector
- Condition: False Activation
- Location: Zone 100
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2026012520005

## Discrepancy

TRANSMISSION CHIP LIGHT CAME ON DURING APPROACH. CLEANED CHIP, GROUND RUN ACCOMPLISHED IAW DMC-407-A-63-00-00-0/A-319 TABLE 1

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