# SDR QEMY20260316001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2026
- Submitted: March 16, 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)
- Engine: CFM565B
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Spool
- Part number: 3380019060
- Part serial: DV513708
- Condition: Corroded
- Location: Engine
- Part time: 15,763 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/QEMY20260316001

## Discrepancy

BOOSTER SPOOL ASSY, THE SUBJECT BOOSTER SPOOL ASSY HAS FRETTING ON SURFACE B 0.005” IN DEPTH. THERE IS NO INSPECTION CRITERIA TO ACCEPT THIS IN 72-21-04.  DR 02369450 STATES THERE IS NO REPAIR SOLUTION FOR THIS FINDING AND IS BEYOND ACCEPTABLE LIMITS FOR CFM TO SUBSTANTIATE THROUGH THE DEVIATION PROCESS.  TO BE REPORTED IAW AMC-20 8A,  ANY DEFECT IN A LIFE-CONTROLLED CRITICAL PART THAT CAUSES ITS RETIREMENT BEFORE THE COMPLETION OF ITS FULL-SERVICE LIFE.

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