# SDR ASAA2020120633644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2020
- Submitted: December 8, 2020
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 44,402 hours, 13,212 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Annunciator
- Part number: D43456001
- Part serial: 3879233062017
- Condition: Faulted
- Location: First Officer'S
- Part time: 11,232 hours, 3,680 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020120633644

## Discrepancy

F/O SIDE AMBER FMC ANNUNCIATION ILLUMINATED FOR UNDETERMINED REASON.  GROUNDED-YES.  ANNUNCIATOR AND FMC PREVIOUSLY REPLACED.  UNABLE TO INDUCE FAULT THAT WOULD NOT CLEAR PREVIOUSLY.  REMOVED & REPLACED F/O'S AUTO FLIGHT STATUS ANNUNCIATOR.  OPERATIONS CHECK NORMAL, REF B737-800 AMM 22-11-32-000-801 & 22-11-32-400-801.

---
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.