# SDR ASAA2021052634926

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2021
- Submitted: May 28, 2021
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 50,790 hours, 15,112 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Faulted
- Location: Right
- 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/ASAA2021052634926

## Discrepancy

FROM L/P 60196095 PILOTS REPORT F/O SHOWED VTK THEN BACK TO NORMAL. GROUNDED - YES. FMC INFLIGHT FAULT LOGGED FMC R DATE RATE INT. FAULT ON LAST LEG. DFCS B LOGGED 22-11071 ON LAST FLIGHT AND DEU 1 LOGGED 31-67440 ON LAST FLIGHT. FMC BITE PASSES REF B737-800 FIM 34-61 TASK 801 DEU 1 CURRENT STATUS TEST PASSES REF FIM 31-62 TASK 801.DFCS LRU REPLACEMENT TEST FOR FMC PASSES REF FIM 22-11 TASK 802. GROUND VERIFICATION SUCCESSFUL.

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