# SDR ASAA2023031142294

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N921AK](https://openairdocs.org/aircraft/N921AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43337
- Aircraft time: 5,333 hours, 1,534 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- 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/ASAA2023031142294

## Discrepancy

ENG #1 FAULT MSG 73-43850 FOUND DURING TC 05-020-01. GROUNDED - YES. NO ACTIVE MESSAGES FOUND, NO CORRELATED FLIGHT DECK EFFECTS. FOLLOWED B737-9 IFIM TASK G73-21-00-810-937, OMF SHOWED NOT ACTIVE FOR MX MSG, IFIM STATES THERE WAS AN INTERMITTENT FAULT.

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