# SDR ASAA2018122427535

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 20,778 hours, 6,828 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Switch
- Part number: 254A115012
- Part serial: AC00435
- Condition: Failed
- Location: Autothrottle
- Part time: 7,940 hours, 2,627 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018122427535

## Discrepancy

PSEU LIGHT CAME ON AFTER LANDING. GROUNDED - YES. REMOVED R/H A/T SWITCH PACK ASSY REF B737-900 AMM 76-11-07-020-802-F00. INSTALLED NEW R/H A/T SWITCH PACK ASSY PER AMM TASK 76-11-07-400-802-F00, OPERATIONAL CHECK GOOD. OPENED, COLLARD AND RESET 21 C/B.

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