# SDR MWEA010747

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2001
- Submitted: May 15, 2001
- Operation: Air carrier
- Aircraft: N804ME
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48030
- Aircraft time: 36,870 hours, 40,783 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Gyro
- Part number: 1428300000
- Part serial: 1124
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: I
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MWEA010747

## Discrepancy

AFTER TAKEOFF, FIRST OFFICERS PFD LOST SKY/GROUND.  NUMBER TWO COMPASS FROZE AND NUMEROUS FMA ANNUNCIATORS APPEARED.  REMOVED AND REPLACED NUMBER TWO LITTON GYRO.  SYSTEM OPERATIONS CHECKS GOOD.

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