# SDR P5CA9700525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N3203Y
- Make and model: Boeing 747128
- Aircraft serial: 19751
- Engine: Pwa JT9D7A
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Fan Blades
- Condition: Worn
- Location: Nr 4 Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9700525

## Discrepancy

NR 4 ENGINE FAN BLADES ARE SHINGLING (EXCESSIVE AXIAL MOVEMENT AT BLADE ROOT).  REPLACED COMPLETE SET OF 46 BLADES PER WORK CARD M7220-001.

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