# SDR ASAA2016122619165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2016
- Submitted: December 28, 2016
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 30,374 hours, 9,100 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: LD
- 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/ASAA2016122619165

## Discrepancy

VTK ON CAPTAINS MAP DISPLAY AND LOSS OF FMC DATA ON BOTH CDUS UPON LANDING AND INTERMITTENTLY THEREAFTER. GROUNDED - YES. DEFERRED PER MEL 34-36J. CAPT SIDE FMC INOP.  PLACED FMC SELECT SWITCH TO NORMAL, NO VTK FLAG. NO FAULTS LOGGED IN FMC'S. L FMC OPS NORMAL IAW AMM 34-61-00. THIS CLEARS MEL 34-36J.

---
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.
