# SDR QEMY20251120001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2025
- Submitted: November 20, 2025
- 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: Airbus
- Engine: Cfmint CFM565B33
- Engine time: 31,867 hours, 24,719 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Seal
- Part number: 2116M20P02
- Part serial: TMT1F4R3
- Condition: Failed
- Location: Engine
- Part time: 6,049 hours, 4,719 cycles
- Stage of operation: IN
- How discovered: D
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QEMY20251120001

## Discrepancy

SEAL-ROTATING AIR HPT FRONT (FOS)   THE SUBJECT FOS HAS FAILED FPI FOR CRACKS ON DIM E SEAL TEETH. FPI INDICATION "1 OFF CRACK 0.06" IN LENGTH GOING OVER INNER SEAL TEETH. 3 OTHER INDICATIONS ALSO OBSERVED; 0.04", 0.025", 0.015".
DR 02298827 WAS REJECTED BY THE OEM AS “CFM HAS NO SUBSTANTIATION TO ACCEPT THE REPORTED CONDITION AND THEREFORE RECOMMENDED TO SCRAP THE PART”. 
TO BE REPORTED I.A.W 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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