# SDR SWIA971541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N284YV
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120284
- Engine: Pwa PW118A
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs Computer
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971541

## Discrepancy

ABOUT 30 MINUTES AFTER FIRST OFFICERS EADI FAILED, PIT YELLOW FLAG ON CAPTAIN AND FIRST OFFICERS AND A/P STARTED PITCHING UP AND HAD TO BE DISCONNECTED.  FIVE MINUTES LATER, HDG YELLOW FLAG AND WE HAD 10 FT-15 FT DIFFERENCE FROM CAPTAINS TO FIRST OFFICER'S HEADING INDICATORS.  DIVERTED FROM SFO TO FAT.  REPLACED FIRST OFFICER'S AHRS COMPUTER.  FIRST OFFICER'S AND CAPTAIN'S AHRS SYSTEM TESTS NORMALLY PER MM 34-21-00.  BOTH A/P AND FD SYSTEMS TEST NORMALLY PER MM 22-11-00.

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