# SDR QXEA2025041100115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2025
- Submitted: April 11, 2025
- 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: 16,765 hours, 11,662 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Control Quadrant
- Part number: 426000185
- Part serial: 260021
- Condition: Malfunctioned
- Location: Thrust
- Part time: 105,561 hours, 104,469 cycles
- 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/QXEA2025041100115

## Discrepancy

AUTOTHROTTLES SHUTTOFF MULTIPLE TIMES AT FLT 330 + 350, AIRSPEED 0.75/ NO TURBULENCE/ NO ENGINE VARIATIONS OBSERVED. WORKED OK ON CLIMB AND DECENT. (AUTOTHROTTLE CHANNELS – BOTH INOPERATIVE). REMOVED FROM SERVICE. REMOVED AND REPLACED THRUST CONTROL QUADRANT IAW AMM 76-11-01-000/400-801-A, OPS TESTS PASSED. PERFORMED AT/TCQ INTERFACE OPS TEST IAW AMM 22-31-00-710-801-A, OPS TEST PASSED. PLACARDS REMOVED, MTX PROCEDURES REVERSED, MTX CONTROL NOTIFIED. AIRCRAFT RETURNED TO SERVICE.

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