# SDR AALA202112238427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2021
- Submitted: December 23, 2021
- Operation: Air carrier
- Aircraft: [N838NN](https://openairdocs.org/aircraft/N838NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31097
- Aircraft time: 34,396 hours, 14,301 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Part number: 254A115011
- Part serial: 2105
- Condition: Faulty
- Location: Zone 100 - Fuse
- Part time: 31,547 hours, 12,975 cycles
- Stage of operation: LD
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112238427

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AUTOBRAKE SYSTEM DISARMED ITSELF UPON TOUCHDOWN. **SUPPLEMENTAL REPORT: REPLACED AUTOTHROTTLE SWITCHPACK ASSEMBLY WITH SERVICEABLE UNIT IAW WORKCARD 08L11276001, OPS CHECK GOOD.** (CLOSED)

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