# SDR QXEA2016032600141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2019
- Submitted: March 26, 2019
- Operation: Air carrier
- Aircraft: [N638QX](https://openairdocs.org/aircraft/N638QX), 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: 17000757
- Aircraft time: 1,056 hours, 667 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Switch
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2016032600141

## Discrepancy

AUTO THROTTLE OCCASIONALLY DISCONNECTS WHEN THROTTLES COME BACK TO IDLE. REMOVED FROM SERVICE. CMC FAULT TCQ QUICK DISCON (ATA1) FAULT, CODE 22310013TA1.  CLEARED AUTO THROTTLE QUICK DISCONNECT SWITCHES AND C/W OPS CHECK OF AUTOTHROTTLE 1 THRUST CONTROL (TCQ) INTERFACE IAW AMM 22-31-00-710-801-A.  OPS CHECK GOOD.  A/C REMAINS CAT III QUALIFIED, PLACARD READS CAT III, MTX CONTROL NOTIFIED OF LLM STATUS. RETURNED TO SERVICE. NO PARTS REPALCED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.