# SDR CALA2023022000494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2023
- Submitted: February 20, 2023
- Operation: Air carrier
- Aircraft: [N37298](https://openairdocs.org/aircraft/N37298), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 34004
- Aircraft time: 50,792 hours, 18,463 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Computer
- Part number: 285A10106
- Part serial: 1448
- Condition: Inoperative
- Location: Smyd Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023022000494

## Discrepancy

SPD LIM SHOWS CAPTAIN'S SPD LIM FLAG CA SIDE. PERFORMED FIM 27-32 TASK 831. FOUND HISTORY OF FMC FAILURE. CURRENT FAULTS ON CAPT AOA. HISTORY FAULTS ON SMYD -1. REPLACED SMYD -1. REPLACED L/H AOA. REPLACED CAPTAINS FMC.  CROSS LOADED SOFTWARE. ALL OPERATION CHECKS REQUIRED ON THE LISTED LOGPAGES. ALL PARTS CHANGE INFORMATION ON LISTED LOGPAGES. OK FOR SERVICE.

---
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.
