# SDR ASAA2023020941912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2023
- Submitted: February 13, 2023
- Operation: Air carrier
- Aircraft: [N958AK](https://openairdocs.org/aircraft/N958AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44072
- Aircraft time: 22 hours, 11 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Fadec
- Part number: 2474M64P06
- Part serial: LPBM1374
- Condition: Faulted
- Location: #1 Engine
- Part time: 21 hours, 11 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023020941912

## Discrepancy

AFTER LANDING REVERSER LIMITED, ENGINE CONTROL, AND "MAINT" LIGHTS CAME ON AT OVERHEAD PANEL. GROUNDED - YES. DURING TROUBLESHOOTING PER B737-9 IFIM 73-21-00-810-847 FOR MESSAGE 73-42701, EXISTING FAILURE MESSAGES 73-42362 (FUEL METERING SHUTOFF VALVE FAILED OPEN) AND 77-09002 (ENG 1 CHANNEL B INTERNAL FAULT) POPULATED. #1 ENG EEC B KEPT RESETTING TRIGGERING MASTER CAUTION & ENGINE CONTROL LIGHT. REMOVED & REPLACED #1 ENG EEC B. ALL TESTS PASS. NO MORE FAULTS GENERATED. REF B737-9 AMM 73-21-05. DUAL ENGINE RUN ACCOMPLISHED. NO FAULTS GENERATED. (REF ASA LP 60380015).

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