# SDR ASAA2022032537782

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2022
- Submitted: March 30, 2022
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 52,967 hours, 15,673 cycles
- Engine: Ge CFM567B24
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Dfgs
- Part number: 8221567102
- Part serial: 40LDKD
- Condition: Faulty
- Location: Flight Compartme
- Part time: 26,064 hours, 8,048 cycles
- Stage of operation: NR
- 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/ASAA2022032537782

## Discrepancy

AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. UNABLE TO DUP./VERIFY DISCREP. W/ A/T TESTS. NO FAULTS LOGGED LAST 3 FLTS, FLTS 4-13 SHOW NUMEROUS FOUND FAULTS. REMOVED/REPLACED MCP PRECAUTIONARY REF. B737-800 AMM 22-11-34. MCP OPS NML REF. SAME AMM. A/T OPS NML REF AMM 22-31-00 OPERATIONAL TEST AND THROTTLE SERVO TESTS.

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