# SDR SWAA2026031678273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N465WN](https://openairdocs.org/aircraft/N465WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33829
- Aircraft time: 71,556 hours, 43,036 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Power Loss
- 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/SWAA2026031678273

## Discrepancy

AT TOP OF CLIMB NR 1 ENGINE REDUCED TO 60% N1 UN-COMMANDED WITH NO THRUST LEVER SPLIT, NR 2 ENGINE REDUCED TO 85% N1 AS EXPECTED. AUTO-THROTTLES WERE ON.   ALL OTHER INDICATIONS NORMAL. AND ENGINE OPS NORMALLY FOR REMAINDER OF FLIGHT.  PERFORMED NR 1 ENGINE ACCELERATION CK TEST NR 8 IAW AMM 71-00-00,  NO DEFECTS NOTED OPS CHKD GOOD PER MOC NR 1 ENG VISUAL INSPECTION OF IMPELLER ROTATION C/W REF TTG8Q01AX2BN, NO DEFECTS NOTED,  PER MOC PS3 LINE INSPECTION FOR DEBRIS C/W REF TTG8Q01AX2BN NO DEFECTS NOTED.  PERFORMED NR 1 ENG ACCELERATION CK TEST NR 8 IAW AMM 71-00-00, NO DEFECTS NOTED.  OPS CHKD GOOD IAW MOC

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