# SDR ASAA2021102536405

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2021
- Submitted: October 27, 2021
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 49,987 hours, 14,599 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021102536405

## Discrepancy

AFTER LANDING DUAL FMC FAILURE FOR APPROXIMATELY 20 SECONDS. GROUNDED - YES. PERFROMRED B737-800 FIM 34-61TASK 801 FLIGHT MANAGEMENT COMPUTER SYSTEM BITE TEST PROCEDURE. LEFT FMC LOGGED "PGM FAULT ON GROUND LEG (G). THIS IS A SOFTWARE ANOMALY. BOTH LEFT & RIGHT FMC'S RECOVERED AND OP CHECK NORMAL REF B737-800 AMM 34-61-00/501. SYSTEMS OK FOR SERVICE.

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