# SDR QEMY20260421001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2026
- Submitted: April 21, 2026
- Operation: General aviation
- Filed by: [GE Aircraft Engine Services Ltd, repair station QEMY466L](https://openairdocs.org/faa-repair-station/QEMY466L/ge-aircraft-engine-services-ltd.md) (OpenAirDocs)
- Aircraft: [N446L](https://openairdocs.org/aircraft/N446L), registered now
- Make and model: Boeing 777
- Engine: Ge GE90115B
- Engine time: 19,096 hours, 4,302 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Wheel
- Part number: 1865M13G08
- Part serial: GWN13P82
- Condition: Dented
- Location: Engine
- Part time: 19,096 hours, 4,302 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QEMY20260421001

## Discrepancy

DISK-HPT STG 1 DISPLAYS 111 SEPARATE INDENTATION TO SURFACE DT ON THE AFT SHAFT SPLINE AREAS.  DR #02396459 STATES: THE CONDITION IDENTIFIED DEPARTS FROM THE INSTRUCTION FOR CONTINUED AIRWORTHINESS (ICA). THE CONDITION HAS BEEN EVALUATED AND A RECOMMENDATION TO DEPART FROM THE ICA CANNOT BE PROVIDED BECAUSE THE CONDITION COULD NOT BE SUBSTANTIATED.  TO BE REPORTED IAW AMC-20 8A (J) ANY DEFECT IN A LIFE-CONTROLLED CRITICAL PART THAT CAUSES ITS RETIREMENT BEFORE THE COMPLETION OF ITS FULL-SERVICE LIFE.

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