# SDR UIEA2012031200089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2012
- Submitted: March 12, 2012
- Operation: Air carrier
- Aircraft: [N418MC](https://openairdocs.org/aircraft/N418MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32840
- Aircraft time: 40,904 hours, 6,210 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2012031200089

## Discrepancy

MOMENTARY EICAE MESSAGE: "STAB TRIM UNSCHED" STATUS MESSAGE "STAB TRIM UNSCHED".  CARRIED OUT FIM PROCEDURE FOR CMC MESSAGE NR 22933 27-50-00/501, NO FAULTS NOTED.  RESET LT FCC AND CARRIED OUT GROUND TEST WITH NO FAULTS.

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