# SDR CZMA082748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 1999
- Submitted: December 30, 2002
- Operation: Air carrier
- Aircraft: N911BE
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 36018
- Aircraft time: 4,856 hours, 14,214 cycles
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Gearbox
- Part number: 212040004009
- Part serial: AFS1287
- Condition: Making Metal
- Location: Tail Rotor
- Part time: 4,857 hours
- 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/CZMA082748

## Discrepancy

EXCEESIVE METAL DEPOSITS ON CHIP DETECTOR REPLACED GEARBOX WITH NEW PART FROM MANUFACTURER

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