# SDR SWAA2012032202472

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2012
- Submitted: March 23, 2012
- Operation: Air carrier
- Aircraft: [N263WN](https://openairdocs.org/aircraft/N263WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32520
- Aircraft time: 18,901 hours, 11,196 cycles
- Engine: Cfmint CFM567B22
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blade
- Part number: 3400010270
- Condition: Out Of Balance
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012032202472

## Discrepancy

AIR TURNBACK - NUMBER 2 ENGINE VIBRATION INDICATED 4.0 IN CLIMB BOX STARTED FLASHING WHEN AT FL300.  PERFORMED ONBOARD FAN TRIM BALANCE PER AMM.  REBALANCED FAN BALANCE WEIGHTS POS 22  / & 29

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