# SDR 95ZZZX4602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N84EA
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 5500484
- Engine: Pwa JT15D4
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Blade
- Part number: 3028601
- Condition: Damaged
- Location: Hp Turbine
- Part time: 1,869 hours
- Component: 3023411
- 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/95ZZZX4602

## Discrepancy

DURING PHASE 25/HOT SECTION INSPECTION, ALL 71 HIGH TURBINE BLADES WERE FOUND NICKED, DENTED AND BROKEN BY IMPACT DAMAGE FROM DEFLECTOR - RING FAILURE.  NUMEROUS BLADES WERE MISSING FORWARD ONE-QUARTER OF OUTBOARD LEADING EDGE.  NO COCKPIT INDICATION WAS NOTED AS TIP CLEARANCES FOR REMAINDER OF BLADE WAS STILL IN TOLERANCE.  ALL BLADES WERE REPLACED WITH NEW.

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