# SDR CALA2025041603916

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2025
- Submitted: April 16, 2025
- Operation: Air carrier
- Aircraft: [N38727](https://openairdocs.org/aircraft/N38727), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28797
- Aircraft time: 79,743 hours, 28,468 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Computer
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025041603916

## Discrepancy

ON TAKEOFF ROLL THRUST LEVERS SPLIT AND AUTO THROTTLES DISENGAGED.   BITE OF AT SHOWS ASM2 AT DISC RATE MON. REF FIM 22-32 TASK 819. CURRENT FAULT BITE AND SERVO MOTOR TEST SHOWS NO FAULTS. DUE TO INFLIGHT FAULTS AND FLIGHT CREW REPORT. REPLACED ASM #2 REF AMM 22-31-91-401. OPS CHECKS GOOD. IN ADDITION REPLACED AUTOTHROTTLE COMPUTER REF AMM 22-31-10-401.  OPS CHECKS GOOD.

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