# SDR 99ZZZX3708

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N82W](https://openairdocs.org/aircraft/N82W), registered now
- Make and model: Bell 212
- Registry model: [Bell 212](https://openairdocs.org/model/bell-212) (OpenAirDocs)
- Aircraft serial: 31177
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Spider
- Part number: 204040783003
- Condition: Cracked
- Location: Transmission
- Part time: 5,822 hours
- Component: 212040001141
- 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/99ZZZX3708

## Discrepancy

TRANSMISSION REMOVED FOR FERROUS METAL GENERATION.  INITIAL TEAR-DOWN INSPECTION REVEALED LOWER SPIDER GEAR CRACKED NEAR SPIDER LEG.  THIS CONDITION WAS PREVIOUSLY EMPHASIZED ASB 212-99-G1A REQUIRING A SPECIAL NDT MAGNAFLUX INSPECTION, ASB 212-99-66 REV A WAS PREVIOUSLY C/W 2313.1 HOURS EARLIER WITH NDT MAGNAFLUX INSPECTION C/W AND NO EVIDENCE OF DEFECTS WERE NOTED.

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