# SDR 2001F00254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2001
- Submitted: September 4, 2001
- Operation: Air carrier
- Aircraft: N886MA
- Make and model: Boeing 727225
- Aircraft serial: 21855
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Part number: 25883024
- Condition: Failed
- Location: Cockpit
- 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/2001F00254

## Discrepancy

ON DEPARTURE TAKEOFF OUT OF MIA, NR 1 COMPASS SYSTEM FAILED.  RETURNED TO MIAMI.  TROUBLE SHOT SYSTEM.  FOUND NR 1 DIRECTIONAL GYRO INOPERATIVE.  REMOVED AND REPLACED NR 1 DIRECTIONAL GYRO.  OPERATIONAL CHECKED IAW 34-21-0.  AIRCRAFT RETURNED TO SERVICE.  (M)

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