# SDR J7SA20110225001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2011
- Submitted: March 31, 2011
- Operation: Air carrier
- Aircraft: [N438FX](https://openairdocs.org/aircraft/N438FX), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 333
- Aircraft time: 2,971 hours, 2,971 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Seal
- Part number: 4557630001802
- Condition: Dirty
- Location: Aileron
- Part time: 2,971 hours, 2,971 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA20110225001

## Discrepancy

CLIMBING THROUGH APPROX FL280 THE AMBER AP AIL MISTRIM CAS ILLUMINATED, DISENGAGED AUTOPILOT AND EXCESSIVE FORCE WAS REQUIRED TO MOVE AILERONS. THE EXCESSIVE FORCE DECREASED WHEN ALT DECREASED. R & R LT & RT AILERON BRUSH SEALS.

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