# SDR QMLA2013022813031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2013
- Submitted: March 4, 2013
- Operation: Air carrier
- Aircraft: [N220CF](https://openairdocs.org/aircraft/N220CF), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 3411
- Aircraft time: 5,267 hours, 14,805 cycles
- System (JASC): [6710 · Main Rotor Control](https://openairdocs.org/jasc/6710)
- Part: Bearing
- Part number: ASNA013735E2
- Condition: Rough
- Location: Cyclic
- Part time: 5,267 hours
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2013022813031

## Discrepancy

ON APPROACH TO LANDING PILOT REPORTED BINDING IN CYCLIC CONTROL IN THE AFT QUADRANT.  MX INVESTIGATION REVEALED 2 BEARINGS IN CYCLIC CONTROL SYS WITH ROUGH SPOTS.  REPLACED 1 EA PN ASNA0136-35E2 BEARING AND 1 EA ASNA0137-35E2 BEARING IN CYCLIC CONTROL TORQUE SHAFT.

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