# SDR ASAA2021080635649

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 46,310 hours, 13,718 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Display
- Part number: 1741010301
- Part serial: 006477
- Condition: Defective
- Location: Cockpit
- Part time: 46,304 hours, 13,716 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021080635649

## Discrepancy

MCDU HAS YELLOW LINE ON RIGHT SIDE OF SCREEN IN ALL MODES. TAPPING ON SCREEN MAKES LINES WORSE. GROUNDED - YES. REMOVED AND REPLACED CAPT MCDU IAW B737-800 AMM 34-61-01. INSTALL TEST PASSED. GROUND VERIFICATION SUCCESSFUL.

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