# SDR 20000831SH022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2000
- Submitted: August 31, 2000
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Amd FALCON2000
- Aircraft serial: 102
- Engine: Cfe CFE73811B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Seal
- Part number: 305058834
- Condition: Separated
- Location: Engine
- Part time: 286 hours
- Component: Engine, Cfe
- 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/20000831SH022

## Discrepancy

LP FORWARD STATIC SEAL HAD INSUFFICIENT CLEARANCE BETWEEN THE SEAL AND THE STAGE 2 HPT ROTOR DISK AFT FACE.  POSSIBLE CAUSE IS THE SEPARATION OF THE 2-PIECE STATOR SEAL.  PROBLEM FOUND BY BORESCOPE INSPECTION PER CFE FIELD ENGINEERING INSTRUCTION NR CFE 738-FEI-00-01-R1.  (X)

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