# SDR P5CA2014091200040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2014
- Submitted: September 12, 2014
- Operation: Air carrier
- Aircraft: [N853GT](https://openairdocs.org/aircraft/N853GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37572
- Aircraft time: 7,969 hours, 1,105 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2014091200040

## Discrepancy

REJECTED TAKEOFF, AT 35 KNOTS DUE TO A MASTER CAUTION SPLIT IRS OPERATION WENT AWAY AFTER 30 SECONDS.  FOUNDINGS CMC MESSAGE.  PERFORMED THE OPS TEST; GROUND TEST OF ALL ADIRS SYSTEM AND THEN OPS CHECKED NORMAL.  GROUND TEST PASSED, NOT DUPLICATED FAULTS IAW AMM 34-25-00/501.

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