# SDR SWAA002028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2000
- Submitted: November 2, 2000
- Operation: Air carrier
- Aircraft: N781WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 30601
- Aircraft time: 280 hours, 170 cycles
- Engine: Cfmint CFM567B22
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blade
- Part number: 3401613020
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: C
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA002028

## Discrepancy

AIR TURNBACK, DURING ROTATION RECEIVED NUMEROUS BIRD STRIKES TO AIRCRAFT. ON RETURN TO ALB, NR 1 ENG VIBRATION GAUGE READ 3.0, APPROACHED 4.0 AT FL 240,THRUST LEVER  REDUCED TO KEEP VIBRATION LEVEL TO BELOW 4.0.  SMELL IN CABIN.  PERFORMED BIRD STRIKE INSP PER MM NR 1 AND 2 ENG SHOWED EVIDENCE OF CORE INGESTION.  REMOVED AND REPLACED NR 1 ENG FAN BLADE SET PER MM.  AMENDED SDR 2028 NR 2 ENG BORESCOPED NO DAMAGE NOTED, NR 1 ENG ON 10 CYCLE FLYBACK BORESCOPE INSPECTION.

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