# SDR QMLA2026032020021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2026
- Submitted: March 21, 2026
- Operation: Air carrier
- Aircraft: [N645AM](https://openairdocs.org/aircraft/N645AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 56467
- Aircraft time: 41 hours, 89 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Warning Light
- Condition: False Activation
- Location: Zone 200
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2026032020021

## Discrepancy

TRANSMISSION CHIP LIGHT ON ROLL UP TO FLIGHT. REMOVED AND INSPECTED ALL TRANSMISSION CHIP DETECTORS FOUND NO METAL DURING REINSTALL OF LOWER CHIP DETECTOR CHIP LIGHT CAME ON. TESTED LOWER CHIP DETECTOR FOUND IT HAD INTERNALLY FAILED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.