# SDR 97ZZZX2463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N901CF](https://openairdocs.org/aircraft/N901CF), registered now
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000012
- System (JASC): [6720 · Tail Rotor Control System](https://openairdocs.org/jasc/6720)
- Part: Blade Assy
- Part number: 900R2442012103
- Condition: Defective
- Location: Notar Fan
- Part time: 1,269 hours
- 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/97ZZZX2463

## Discrepancy

FAN ASSEMBLY, NOTAR (R).  WHILE PERFORMING FAN HUB WEIGHT CHANGE, FOUND SEVERAL FAN BLADES WITH SIDEWALL DEFECT OR PROTRUSION.  ALSO, FOUND THE FAN DIVERTER PLATE BELLCRANK HAD ELONGATED HOLES.  INNER BELLCRANK WAS LOOSE.  REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

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