# SDR GTIA9700159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N942ML
- 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: 47478
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Roll Computer
- Part number: 15866873
- Condition: Malfunctioned
- Location: Auto-Pilot
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA9700159

## Discrepancy

DTW - REPLACED ROLL COMPUTER FOR AUTO-PILOT TROUBLESHOOTING.  REPLACE PITCH COMPUTER CANNON PLUG FOR AUTO-PILOT SYSTEM TROUBLESHOOTING.  REF DMI NR 00196 AUTO-PILOT WILL NOT ENGAGE WITH ELEVATOR SERVO ON.  REMOVED AND REPLACED AUTO-PILOT ROLL COMPUTER, AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0.  REMOVED AND REPLACED PITCH COMPUTER RACK PLUG AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0.  REPLACED PITCH AXIS COMPUTER.  OPS CHECK GOOD IAW DC-9 MM 22-10-0 THIS CLEARS DMI NR 00196.  PLACARDS REMOVED.  (M)

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