# SDR ASAA2016022115625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2016
- Submitted: February 24, 2016
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 13,122 hours, 4,261 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Computer
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016022115625

## Discrepancy

UNABLE TO RECEIVE TAKEOFF PERFORMANCE VIA ACARS.  ACFT GROUNDED.  PERFORMED FMC NR 1 AND NR 2 SOFTWARE CONFIGURATION CHECK REF AMM 34-61-00.  FOUND OPC SOFTWARE TO BE INCORRECTLY MATCHED TO OPS, PN 556909-001, U11, SOFTWARE.  INSTALLED CORRECT OPC SOFTWARE PN BCG-01T-61 TO NR 1 FMC USING LAPTOP AND CROSSLOADED SAME SOFTWARE TO NR 2 FMC REF AMM 34-61-00-470-805.  VERIFIED CORRECT SOFTWARE INSTALLATION ON NR 1 AND NR 2 FMC BY CONFIGURATION CHECK REF ABOVE.  OPS CHECKS GOOD REF AMM 23-27-00.

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