# SDR ASAA201805144595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2018
- Submitted: May 14, 2018
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 15,523 hours, 5,221 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Captain'S
- 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/ASAA201805144595

## Discrepancy

CAPTAIN'S FMC FAILED TWICE ENROUTE,  EACH FAILURE LASTED 2 - 3 MINUTES WITH FMC SELF RECOVERING.  LAST FAILURE RESULTED IN CWS, UNTIL FMC RECOVERED. QRH PROCEDURE COMPLIED WITH.  CAPTAIN`S FMC RESTORED. THIRD FAILURE RESULTED IN SINGLE FMC OPERATION.  ACFT GROUNDED.  PERFORMED A RESET OF THE FMC IAW FIM 34-61 TASK 836, STEP E.  PERFORMED FMC SYSTEM OPS TEST IAW AMM 34-61-00-710-801. OPS CHECKED GOOD.  FMC SWITCH POSITIONED IN NORMAL.  NO 90 DAY HISTORY.

---
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.