# SDR CALA2026091819536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N30401](https://openairdocs.org/aircraft/N30401), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30118
- Aircraft time: 68,246 hours, 28,820 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Faulted
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026091819536

## Discrepancy

AUTOTHROTTLE DID NOT ENGAGE ON TAKEOFF AFTER MULTIPLE ATTEMPTS DURING INITIAL EVALUATION FOUND TAT AT + 99 DEGRESS R/R TAT PROBE IAW AMM 34-21-06, INSTALLATION TEST GOOD, PERFORMED A/T OPERATIONAL TEST IAW AMM 22-31-00 AND FIM 22-32 TASK 810, A/T ENGAGED.

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