# SDR ASAA2019091830733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2019
- Submitted: September 20, 2019
- Operation: Air carrier
- Aircraft: [N492AS](https://openairdocs.org/aircraft/N492AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44110
- Aircraft time: 15,287 hours, 5,008 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Locked
- Location: Right
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019091830733

## Discrepancy

UNABLE TO INITIALIZE LEFT OR RIGHT FMC WILL NOT ACCEPT ENTRY FROM LEFT OR RIGHT KEYPAD. GROUNDED - YES. RT FMC LOCKED UP & CAUSED THE LEFT TO LOCK UP TOO. REBOOTED RT FMC REF FIM TASK 34-61 TSK 836 NORM OPS RESTORED ON BOTH. OPENED & CLOSED 2 C/B'S BITE CK OK OFF FMC LT & RT OK.

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