# SDR ASAA2020040832624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2020
- Submitted: April 8, 2020
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41730
- Aircraft time: 29,349 hours, 9,486 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2020040832624

## Discrepancy

LT FMC FAILED AND RESTORED ITSELF MANY TIME VTR & MAP DISPLAYED WAS ABLE TO RESTORE. GROUNDED - YES. LEFT FMC SHOWS PGM FAULT ACCOMPLISHED B737-900 FIM 34-61 TASK 807 LEFT FMC OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.