# SDR AALA202201310326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2022
- Submitted: January 31, 2022
- Operation: Air carrier
- Aircraft: [N965NN](https://openairdocs.org/aircraft/N965NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 33239
- Aircraft time: 20,398 hours, 8,041 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: None
- Condition: None
- Stage of operation: CL
- 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/AALA202201310326

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AUTOTHROTTLE DOES NOT HOLD SELECTED ENGINE THRUST IN N1 MODE. ON CLIMB OUT FROM ONT AUTOTHROTTLE KEPT RETARDING. HAD TO HOLD THROTTLES TO PREVENT FROM ROLLING BACK. DISCONNECT UNTIL CRUISE. THEN OPERATIONS NORMAL. **SUPPLEMENTAL REPORT REQUIRED** (OPEN)

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