# SDR GTIA020245

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2002
- Submitted: April 30, 2002
- Operation: Air carrier
- Aircraft: N808NK
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49504
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Part number: 4034237915
- Part serial: 89032425
- Condition: Failed
- Location: Autopilot Sys
- Stage of operation: CR
- 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/GTIA020245

## Discrepancy

FLT 386 - DTW - AUTOPILOT WILL NOT STAY ENGAGED, TRIPS OFF EVERY 2-3 MINUTES, DFGS NR 1 OR NR 2, ALT TRIM OK.  FOUND ELEVATOR POWER SERVO FAIL IN FLIGHT FAULT REVIEW.  REMOVED AND REPLACED ELEVATOR SERVO IAW MM 21-12-01, PERFORMED AUTO PILOT CHECK AND RTS.  OPS CHECK GOOD IAW MM 22-10-00 AND 22-01-01.  (M)

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