# SDR ASAA2023091945221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2023
- Submitted: September 25, 2023
- Operation: Air carrier
- Aircraft: [N973AK](https://openairdocs.org/aircraft/N973AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43346
- Aircraft time: 5,900 hours, 1,695 cycles
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023091945221

## Discrepancy

WHILE PERFORMING T/C 31-005-00FOUND SMT SHORT TIME FAULT ENG 2 EEC C1, WITH ASSOCIATE MTX MESSAGE 73-43984 ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMMODATION TEST FAIL. GROUNDED - YES. ON DEFERRAL.

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