# SDR AALA20150112026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2015
- Submitted: January 14, 2015
- Operation: Air carrier
- Aircraft: [N467AA](https://openairdocs.org/aircraft/N467AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49597
- Aircraft time: 75,215 hours, 39,976 cycles
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Part number: 4034237915
- Condition: Failed
- Location: Elevator
- Stage of operation: DE
- 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/AALA20150112026

## Discrepancy

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT.  DURING DESCENT EXPERIENCED ALTERNATE TRIM MALFUNCTION.  WHEN NR 2 AUTOPILOT WAS DISCONNECTED THE PITCH UP STOPPED.  R & R DUPLEX ELEVATOR SERVO DRIVE IAW AMM 22-12-01 & NR 2 DFGC IAW AMM 22-01-01.  ACCOMPLISHED OPERATIONAL CHECK.  SYS CHECKED NORMAL.

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