# SDR SWIA202266662

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2022
- Submitted: October 26, 2022
- Operation: Air carrier
- Aircraft: [N191SY](https://openairdocs.org/aircraft/N191SY), registered now
- Make and model: Emb EMB110*
- Aircraft serial: 17000632
- Aircraft time: 15,868 hours, 9,593 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: None
- Condition: Odor
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA202266662

## Discrepancy

DURING FLIGHT WE EXPERIENCED 4-6 CAUTION ICAS MESSAGES. THEY QUICKLY DISAPPEARED AND THE FO ADS REVERTED TO ADS 1. I SMELLED A SLIGHT ELECTRICAL BURNING SMELL THAT LASTED A FEW SECONDS. FO DIDN€™T SMELL ANYTHING. NOW WE SHOW AFCS FAULT AFTER LANDING.    (FLIGHT 3481 - FILED CLOSED)      PLEASE REFERENCE AML 1019462, COMPLIED WITH FIM 45-45-00-810-942-A FOR AVNX MAU 2B FAIL. CMC REPORTED MAU 2 NIC 2 FAULTED. REPLACED MAU 2 NIC+PROC 4 IN REF TO ERJ175 AMM 31-42-00-810-811-A. COMPLIED WITH TARGET UPLOAD UP SOFTWARE AND VALIDATION OF CONFIGURATION. COULD NOT DUPLICATE ELECTRICAL SMELL IN COCKPIT. SEE FORWARD DISCREPANCY FOR TROUBLE SHOOTING OF ELECTRICAL SMELL. PLEASE REFERENCE AML 1019462

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