# SDR SWAA2026032381445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N8794Q](https://openairdocs.org/aircraft/N8794Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67784
- Aircraft time: 10,447 hours, 5,218 cycles
- Engine: Cfmint LEAP1B28
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Metering Unit
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026032381445

## Discrepancy

NR 1 ENGINE N1 SURGING 1-2%,  FUEL FLOW FLUCTUATING WITH ASSOCIATED YAW DURING TAKEOFF AND CLIMB.  ALL PARAMETERS NORMAL AFTER REACHING FL180.   R & R THE NR 1 ENGINE FUEL METERING UNIT IAW AMM 73-21-04,

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