# SDR GTIA010565

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2001
- Submitted: July 16, 2001
- Operation: Air carrier
- Aircraft: N133NK
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 48111
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 258733511
- Part serial: 80061785
- Condition: Defective
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA010565

## Discrepancy

FLT 304 - ACY - VERTICAL SPEED WHEEL DOES NOT AGREE WITH VERTICAL SPEED IN DESCENT AND CLIMB.  AT 500 IN CLIMB ON VERT SPEED WHEEL, A/C CLIMBS 2000 FPM, 500 FPM DESCENDS AIRCRAFT AS MUCH AS 2500 FPM.  REMOVED AND REPLACED NR 2 VG.  OPS CHECK GOOD IAW DC-9 MM 34-27-0.  NO OTHER DEFECTS NOTED.  (M)

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