# SDR ASAA2022012737288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2022
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 36,699 hours, 10,506 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 003886
- Condition: Failed
- Location: E/E Shelf E5
- Part time: 49,879 hours, 14,786 cycles
- Stage of operation: LD
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022012737288

## Discrepancy

AFTER LANDING, VTK INDICATION ON CAPTAINS ND, AND BOTH FMC CDU'S MISSING "FMC" ON THE MENU PAGE. ANOMALY IS "INTERMITTENT. GROUNDED - YES. CONFIRMED. RMVD & RPLCD L/H FMC REFB737-800 AMM 34-61-02. OPS NML PER SAME. ETOPS GND VERIFICATION TEST SUCCESSFUL.

---
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.
