# SDR AALA2018042419924

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2018
- Submitted: April 24, 2019
- Operation: Air carrier
- Aircraft: [N792AN](https://openairdocs.org/aircraft/N792AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30253
- Aircraft time: 73,294 hours, 9,261 cycles
- Engine: Rroyce RB211TRENT88
- Engine time: 67,407 hours, 8,705 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Shroud
- Condition: Separated
- Location: Ipc
- Stage of operation: CL
- How discovered: O
- Nature of condition: J, A
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018042419924

## Discrepancy

AIRCRAFT WAS GROUNDED: ON TAKEOFF ROLL, JUST ACHIEVING TAKEOFF THRUST, AT ABOUT 30 KNOTS, EICAS MESSAGES "ENGINE FAIL RIGHT" AND "ENGINE CONTROL RIGHT" DISPLAYED, AND THERE WAS A LOUD BANG, INDICATING A POSSIBLE COMPRESSOR STALL. FLIGHT ATTENDANTS ALSO REPORTED FIRE BALL OUT THE RIGHT ENGINE, NO FIRE WARNINGS OR INDICATIONS PRESENT. MAXIMUM EGT NOTED WAS 700 ***SUPPLEMENTAL REPORT: ENGINE SHOP REPORTED THE SUSPECTED ROOT CAUSE OF THE DAMAGE WAS THE MATERIAL RELEASED FROM THE IPC STAGE 2 VSV INNER SHROUD. THE MATERIAL RELEASE FROM THE IPC IS NOT A PREVIOUSLY KNOWN FAILURE. THE INVESTIGATION RESULTS HAVE BEEN REPORTED TO ROLLS-ROYCE FOR FURTHER INVESTIGATION.*** (CLOSED)

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