# SDR AALA202103309040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2021
- Submitted: March 31, 2021
- Operation: Air carrier
- Aircraft: [N798AN](https://openairdocs.org/aircraft/N798AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30797
- Aircraft time: 76,920 hours, 9,840 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: 4091900941
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202103309040

## Discrepancy

AIRCRAFT WAS GROUNDED: MULTIPLE FLIGHT DECK DISPLAYS INOPERATIVE, FLIGHT RETURNED TO FIELD; EMERGENCY NOT DECLARED. REPLACED LOWER DISPLAY UNIT AND UPPER DISPLAY UNIT (AALA202103309041) IAW IAW AMM 31-61-01, OPS CHECK GOOD.

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