# SDR FDEA201008173014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2010
- Submitted: August 17, 2010
- Operation: Air carrier
- Aircraft: [N288FE](https://openairdocs.org/aircraft/N288FE), registered now
- Make and model: Boeing 727-2D4
- Registry model: [Boeing 727-2D4](https://openairdocs.org/model/boeing-727-2d4) (OpenAirDocs)
- Aircraft serial: 21850
- Aircraft time: 41,264 hours, 27,739 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 25883024
- Part serial: 79063086
- Condition: Failed
- Location: Nr 1
- Stage of operation: CR
- 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/FDEA201008173014

## Discrepancy

DURING FLT, HSI SHOWS HDG FLAG RAN QRH HSI WORKS WHEN SWITCHED TO BOTH ON 2.   DIVERTED TO ALTERNATE STA R & R NR 1 DG IAW M/M 34-21-071-4-0.  OPS CHECK NORMAL, OK FOR SVC.  ACFT IS NOT CAT II IAW GMM 6-5-400, CAT II CHECK.

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