# SDR ASAA2022081639539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2022
- Submitted: August 18, 2022
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 51,050 hours, 15,152 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Cdu
- Part number: 1741010301
- Part serial: 005987
- Condition: Faulty
- Location: Flight Compartme
- Part time: 51,051 hours, 15,152 cycles
- 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/ASAA2022081639539

## Discrepancy

FO FMS L6 KEY REQUIRES UNUSUAL AMOUNT OF FORCE TO WORK PROPERLY . GROUNDED - YES. REMOVED & REPLACED FMC CDU. ALL TESTS PASS. REF B737-800 AMM 34-61-01.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.