# SDR ASAA2013070995535

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2013
- Submitted: July 11, 2013
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 24,251 hours, 7,281 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- 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/ASAA2013070995535

## Discrepancy

SCRATCH PAD SINGLE FMC, OPS MESSAGE APPEAR IN BOTH CDUS FOLLOWED BY F/OS DU DISPLAYING MAP (AMBER) NO VTK DISPLAYED SHORTLY AFTER CRUISE.  MODE ANNUNCIATOR IN CENTER DU DISPLAY WHITE BOX AT/LIM FOLLED BY BLANKING 05 THEN RESTORING NORMAL. CAPTAINS AMBER LDG/LT INTERMITTENTLY ANNUNCIATED AS WELL.  DUAL FMC OPS MESSAGE NEVER APPEARED.  ACFT GROUNDED.  PERFORMED FIM TASK 34-61 TASK 836.  RESTORED FMC OPERATION IAW INITIAL EVALUATION.  RT FMC RESTORED.  DETERMINED FAULT WAS INTERMITTENT.  PERFORMED FMC BITE NO CURRENT FAULTS NOTED, ACFT OK FOR SERVICE.

---
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.
