# SDR QXEA2019032900144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2019
- Submitted: March 29, 2019
- Operation: Air carrier
- Aircraft: [N639QX](https://openairdocs.org/aircraft/N639QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000760
- Aircraft time: 1,002 hours, 629 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Unknown
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Stage of operation: CL
- 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/QXEA2019032900144

## Discrepancy

AT DEPATURE APPROXIMATLEY 5000' THROTTLES WENT TO IDLE. (AUTO THROTTLES ON) ALT ALERTER SET TO 7000'. RE-ENGAGED A/P AT 9000'. CLIMB CLEARANCE AT 12000'. AIRCRAFT DID NOT HONOR ALT. AT 20000' A/P AT ON FMS CLIMB SCHEDULE 270/.73M SET FMA AND FMS SPEED SELECT SHOWED 290/.76M STILL IN CLIMB TO 34,000. REMOVED FROM SERVICE. PERFORMED OPS TEST OF GUIDANCE PANEL IAW AMM 22-11-01-710-801A.  OPS TEST GOOD.  PERFORMED OPS TEST OF AUTOPILOT IAW AMM 22-11-00-710-802A.  OPS TEST GOOD.  COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.

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