# SDR GTIA0100161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2001
- Submitted: May 8, 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): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Condition: Malfunctioned
- Location: Autopilot Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA0100161

## Discrepancy

FLL - FLT 267 - AUTO-PILOT VERTICAL SPEED MODE MALFUNCTIONED WITH VSI SET TO RN 500 FPM.  A/C CLIMBS AT NR 2000-2500 FPM.  SAME PROBLEM IN CLIMB AND DESCENT.  RE-RACK PITCH COMPUTER SELF TEST NORMAL IAW MM 22-12-0.  UNABLE TO DUPCLICATE.  (M)

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