# SDR GTIA2016043001441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2016
- Submitted: May 2, 2016
- Operation: Air carrier
- Aircraft: [N619NK](https://openairdocs.org/aircraft/N619NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 5517
- Aircraft time: 12,310 hours, 5,656 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Accelerometer
- Part number: J172BM01
- Condition: Failed
- 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/GTIA2016043001441

## Discrepancy

AIRCRAFT HAS ABRUPT PITCH CHANGES IN CLIMB CRUISE AND DESCENT BUT MAINTAINS ALTITUDE PITCH OSCILLATIONS OCCURS ABOVE 18,000 FT AND ABOVE 250K. IAW TSM 27-30-00-810-853-A, STEP 4.A, 1.  REMOVED ACCLRM-3, 12CE3 AND ACCLRM-4, 12CE4, IAW AMM 27-92-16.  INSTALLED ACCLRM-3 AND ACCLRM-4, 12CE3 + 12CE4, IAW AMM 27-92-16, OPS CK GOOD.

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