# SDR ASAA2021083035831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 46,340 hours, 13,668 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Intermittent
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021083035831

## Discrepancy

GOT AN FMC DISAGREE ALERT AND A F.O. VTK MOMENTARILY DURING CRUISE. GROUNDED - YES. FMC BITE HISTORY LOGGED PGM FAULT. REF B737-800 FIM 34-61 TASK 837. FMC RESET, BITE TEST NORMAL. REF FIM 34-61 TASK 801.

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