# SDR S02472043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2002
- Submitted: December 3, 2002
- Operation: Air carrier
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 1263
- Engine: Ge CF680C2*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CF680C2*
- Part serial: 706243
- Location: # 4
- Component: Engine, Ge
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S02472043

## Discrepancy

B-18705 NO.4 ENG OCCURRED N2 VIB AND SURGE DURING CLIMBING.C/A:1.BORESCOPE INSP. GAS PATH PER AMM 72-00-00 P206 FOUND DAMAGE STARTING AT STAGE 4. FOUND A VARIABLE VANE BROKEN AND TURNED INTO THE AIR STREAM, HALH OF THE VANE STARTING AT THE TIP MISSING. ALL STAGE 5 BLADES BENT AND TORN AT THE LEADING EDGE.2.REPLACE NO.4 ENGINE AND ENG RUN UP TEST NORMAL.

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