# SDR QXEA2023102700155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2023
- Submitted: October 27, 2023
- Operation: Air carrier
- Aircraft: [N657QX](https://openairdocs.org/aircraft/N657QX), 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: 17000943
- Aircraft time: 915 hours, 664 cycles
- System (JASC): [7600 · Engine Controls](https://openairdocs.org/jasc/7600)
- Part: Control Quadrant
- Part number: 426000186
- Part serial: 260480
- Condition: Malfunctioned
- Location: Zone 200
- Part time: 924 hours, 671 cycles
- Stage of operation: IN
- 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/QXEA2023102700155

## Discrepancy

AHEAD HAS REPORTED FAILURES OF THE TCQ QUICK DISCONNECT BUTTON. REMOVED THRUST CONTROL QUADRANT REF. E175 AMM RASK 76-11-01-000-801-A. STARTED INSTALLING THRUST QUADRANT REF. E175 AMM TASK 76-11-01-400-801-A STEPS 1-7D. TEST OF TCQ INSTALLATION AND FUNCTIONAL TEST OF THRUST REVERSERS GOOD. COMPLETED INSTALLATION OF THRUST CONTROL QUADRANT IAW E175 AMM 76-11-01-400-801-A STEPS 7.E. AND 7.F.(END), AMM 22-11-00-710-710-801-A, TOGA SWITCH OPERATIONAL TEST GOOD. THIS COMPLETES TO # 202310250658. AIRCRAFT REMAINS CAT III QUALIFIED, AIRCRAFT PLACARD READS CAT III, MAINT CONTROL NOTIFIED.

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