# SDR ASAA2021122837026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2021
- Submitted: December 30, 2021
- Operation: Air carrier
- Aircraft: [N291BT](https://openairdocs.org/aircraft/N291BT), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44088
- Aircraft time: 1,709 hours, 513 cycles
- Engine: LEAP1B
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021122837026

## Discrepancy

TRANSIENT TR FLAG ON CAPTAINS ND WITH FMC MENU ITEM MISSING FROM MCDU 1 AND 2. CONDITION SELF-RESOLVED QUICKLY. GROUNDED - YES. POWERED DOWN A/C, POWERED A/C UP WAITED FOR MAX DISPLAY SYSTEM TO COMPLETE INTERNAL BITE, NO FAULTS SHOWN ON MDF STATUS PAGE.

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