# SDR ASAA2019042299074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 20,267 hours, 6,582 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: CL
- 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/ASAA2019042299074

## Discrepancy

OBSERVE WHITE "A/T LIMIT" ILLUMINATE FOR APROX 5-10 SECONDS IN CLIMB PASSING THROUGH APPROXIMATELY 15,000 FT. IT THEN REVERTED BACK TO SCREEN "CLN" ON ENGINE DISPLAY. FIRST OFFICER SIDE WAS "MASTER" ON MCP PANEL. GROUNDED - YES. PERFORMED AUTO THROTTLE BITE REF B737-900 FIM 22-31 TASK 801. TEST PASSED & NO DEFECTS NOTED. OPS CHECK GOOD, GROUND VERIFICATION GOOD. A/C OK FOR SERVICE.

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