# SDR ASAA2022013037295

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2022
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 42,059 hours, 12,400 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Display
- Part number: 1741010301
- Part serial: 001268
- Condition: Intermittent
- Location: Flight Deck
- Part time: 2,342 hours, 639 cycles
- Stage of operation: IN
- 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/ASAA2022013037295

## Discrepancy

#1 FMC IS INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED #1 FMC CDU REF B737-800 AMM 34-61-01.  DUE TO OPERATIONAL NECESSITY, REPLACED #1 FMCS COMPUTER REF AMM 34-61-02. SOFTWARE CHECK OF #1 CDU & FMC CHECKS GOOD.

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