# SDR 97ZZZM231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N947ML
- 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: 47514
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Auto-Pilot
- Condition: Malfunctioned
- Location: E/E Compt
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZM231

## Discrepancy

FLT 174 - DTW - AUTO-PILOT PORPOISES IN ALL FLIGHT MODES.  CREW DISCONTINUED USE OF AUTO-PILOT.  DEFERRED PITCH ACCESS COMPUTER IAW MEL 22-1 CATEGORY C, CONTROL NR 00127.  (M)

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