# SDR AC2R20101214001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2010
- Submitted: December 16, 2010
- Operation: General aviation
- Aircraft: [N5447C](https://openairdocs.org/aircraft/N5447C), registered now
- Make and model: Skrsky S76A
- Aircraft serial: 760180
- Aircraft time: 26,696 hours
- Engine: Allsn 250C30S
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gearbox
- Part number: 7635109500044
- Part serial: A08100262
- Condition: Making Metal
- Location: Main Rotor
- Part time: 16,931 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2R20101214001

## Discrepancy

(AC2R) APPROX 2 MILES FROM LANDING, THE MAIN GEARBOX CHIP LIGHT ILLUMINATED.  PERFORMED THE MAIN GEARBOX CAUTION LIGHT ILLUMINATED EMERGENCY PROCEDURE AND LANDED.  MX FOUND 1 FLAKE ON PLUG, PERFORMED A SERVICEABILITY CHECK AND RETURNED ACFT TO SERVICE. RECHECK OF CHIP PLUGS IN 3 TO 8 HOURS.

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