# SDR 2022FA0000222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2022
- Submitted: April 20, 2022
- Operation: General aviation
- Aircraft: [N828AX](https://openairdocs.org/aircraft/N828AX), registered now
- Make and model: Boeing 777
- Aircraft serial: 33682
- Aircraft time: 49,824 hours, 8,464 cycles
- Engine: Rroyce RB211TRENT89
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Fmu
- Part number: FMU80102
- Part serial: FAB13152
- Condition: Failed
- Stage of operation: TO
- How discovered: V
- Nature of condition: M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022FA0000222

## Discrepancy

LEFT ENGINE EGT EXCEEDANCE ON TAKEOFF PEAK EGT 923°CLEFT ENGINE EGT EXCEEDANCE ON TAKEOFF PEAK EGT 923°C. CORRECTIVE ACTION: PERFORMED BORESCOPE, ENGINE WASH AND R&R OF FMU. NO MAINTENANCE MESSAGES NOTED OR DAMAGE FOUND PER AMM 71-00.

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