# SDR QMLA2022021420010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2022
- Submitted: February 14, 2022
- Operation: Air carrier
- Aircraft: [N404LL](https://openairdocs.org/aircraft/N404LL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53446
- Aircraft time: 9,130 hours, 24,833 cycles
- Engine: Allsn 250C47B
- Engine time: 3,495 hours, 8,571 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Connector
- Part number: 301022
- Condition: Broken
- Location: Zone 200
- Stage of operation: AA
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2022021420010

## Discrepancy

DURING FLIGHT FULL COMM FAILURE. PILOT WAS APPROACHING CLASS B AIRSPACE WITH PATIENT ONBOARD. HE MADE A PRECAUTIONARY LANDING AT KBVU AND CALLED FOR RESCUE HELICOPTER TO TRANSPORT PATIENT. TROUBLESHOT SYSTEM FOUND CONNECTOR HAD SPUN AND BROKE 1 CONNECTION ON BACK OF JACK. RESOLDERED AND OPS CHECKED GOOD AIRCRAFT WAS RETURNED TO SERVICE

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