# SDR QMLA2026060120033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2026
- Submitted: June 1, 2026
- Operation: Air carrier
- Aircraft: [N947MD](https://openairdocs.org/aircraft/N947MD), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53569
- Aircraft time: 11,221 hours, 23,111 cycles
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Chip Detector
- Condition: Contaminated
- Location: T/R Gearbox
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2026060120033

## Discrepancy

UPON LANDING TO TRANSLOAD A PATIENT, THE TGB CHIP LIGHT ILLUMINATED. DUE TO THIS INDICATION AND SUBSEQUENT ENGINE SHUTDOWN, WE WERE UNABLE TO COMPLETE THE TRANSPORT OF THE PATIENT. THE PATIENT WAS THEN MOVED BY AMBULANCE. CHIP DETECTOR CLEANED, FINDINGS INDICATE NORMAL WEAR, OPS CHECK OKAY. RAMCO TO BE COMPLETED ON RETURN TO BASE. THIS AIRCRAFT HAS BEEN RETURNED TO REVENUE SERVICE, REF # MEC-59060

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