# SDR ASAA2014042707588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2014
- Submitted: April 29, 2014
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 22,517 hours, 6,960 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Display
- Part number: 1741010201
- Part serial: 006177
- Condition: Failed
- Location: Cockpit
- Part time: 22,507 hours, 6,958 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014042707588

## Discrepancy

CAPTAIN`S MCDU IS BLANK.  ACFT GROUNDED.  TROUBLESHOT FOUND CAPTAINS CDU BLANK. DOWN POWERED ACFT, SYSTEM DID NOT RESTORE.  REMOVED REF AMM 34-61-01. INSTALLED SERVICEABLE UNIT REF AMM 34-61-01.  GROUND VERIFICATION CHECKS GOOD.  OK FOR SERVICE.

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