# SDR P5CA2020042000145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2020
- Submitted: April 20, 2020
- Operation: Air carrier
- Aircraft: [N855GT](https://openairdocs.org/aircraft/N855GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37567
- Aircraft time: 27,978 hours, 4,805 cycles
- Engine: Ge GENX2B67B
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Nr 1 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2020042000145

## Discrepancy

REPEAT WRITEUP - REF LOG PAGE 1127088. DURING TAKEOFF ROLL AND ENGINES ACCELERATING TO TAKEOFF THRUST, COMPRESSOR STALL EITHER #1 OR #2 AT A LOW SPEED 30 KNOTS. A FLASH OF LIGHT WAS VISABLE ALSO.(<P>ENGINE 1 REMOVED AND REPLACED IAW GE 8130 FORM 20398. OPS CHECK ACCOMPLISHED IAW PRE-TESTED ENGINE AMM 71-00-00-710-802-GOO. ALL TESTS PASSED.</P>)

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