# SDR S02472009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2002
- Submitted: January 3, 2003
- Operation: Air carrier
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 28710
- Engine: Pwa PW4056
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part serial: 727823
- Condition: Failed
- Location: Nr 1
- Component: Pw4056, Pwa
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S02472009

## Discrepancy

DURING TAKE OFF ROLL NR 1 ENGINE SURGE ENCOUNTERED. AFTER AIRBORNE NR 1 ENGINE SHUT DOWN AND AIR TURN AROUND. AN UNEVENTFUL LANDING WAS ACCOMPLISHED.  NR 1 ENGINE INLET AND EXHAUST VISUAL INSPECTION. CONDITION NORMAL.  CHECKED CHIP DECTECTOR CONDITION NORMAL.  NR 1 ENGINE FADEC BITE CHECK, NO FAULT MESSAGE WAS SET.  PRILIMINARY ANALYSIS GROUP 3 SURGE WAS SUSPECTED.  AN AOG TEAM HAD BEEN SENT AND SPARE ENGINE HAD BEEN SHIPPED ON 4/8/2002. NR 1 ENGINE HAD BEEN CHANGED.

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