# SDR ASAA2013082295869

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2013
- Submitted: August 26, 2013
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 23,208 hours, 7,051 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013082295869

## Discrepancy

RT FMC HAS FAILED.  ACFT GROUNDED.  BITE OF FMC-L SHOWED SOFTWARE MISMATCH FAULTS FOR FMC-R FOR THE FOLLOWING SOFTWARE NAV DB, PERF DEFAULTS, ACARS DB, MEDB, SW OPTIONS. THESE FAULTS WERE LOGGED FOR ALL 9 LEGS IN FMC MEMORY. CONFIRMED FMC OPS SOFTWARE 549849-018, INSTALLED IN RT FMC AND PERFORMED CROSSLOAD OF FOLLOWING SOFTWARE FROM FMC-L TO FMC-R IAW MM 34-61-00-470-806, OPC (SW OPTIONS) MODEL/ENGINE DATABASE (MEDB) - BCG014V9.  ALSO CROSSLOADED NAV DATA ASA1130901. PERFORMED FMC SOFTWARE CONFIGURATION CHECK IAW MM 34-61-00-750-801.  PERFORMED FMCS OPS TEST IAW MM 34-61-00-710-801.  ALL TESTS PASS.

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