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Embraer E50P pilot reported that the aircraft tracked to the right upon landing.
| Attributes | |
| ACN | 1569339 |
| Time | |
| Date | 201808 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Embraer Phenom 100 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Landing |
| Route In Use | Visual Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Normal Brake System |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 62 Flight Crew Total 2459 Flight Crew Type 822 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Ground Excursion Runway |
Narrative:
Upon landing; the aircraft departed the runway to the right. I was seated in the right seat. I was not the pilot flying; however; upon landing rollout I noticed the aircraft beginning to track toward the right side of the runway. I stated 'left rudder' and applied left rudder. The aircraft continued to track toward the right and the right main tire left the runway. No damage occurred.upon exiting the aircraft; I noticed long tire marks from the point of touchdown to the spot where the aircraft stopped. This is unusual for our aircraft and any other phenom 100 to my knowledge. I recalled the brake control unit was updated at the last inspection just 2 weeks prior. We notified the manufacturer and they sent out a maintenance team to check the airplane.after the aircraft was checked out by maintenance; I performed a taxi check and noticed the tires were still leaving marks on the runway. I questioned embraer about this and they stated the aircraft was performing as designed and it is a 'certified product'. I explained to them that this seemed unusual. After all checks were complete; I decided to land at ZZZ on their 12;000ft runway to check out the landing performance. Upon landing at ZZZ I noticed the brand new tire with 1 landing on it had chunking and chevron marks on the tire. I once again thought this was unusual. I decided to bring the aircraft to the service center to have them study and repair the brakes. Embraer stands by the newest brake controller; but I have my issues. So; I had embraer put the previous model brake controller on the aircraft.while embraer doesn't seem to have any issues with their controller; nor do they want to provide me any information about the landing from the cvdr (cockpit voice and data recorder) downloads; I do not trust the latest brake controller -7 and I believe it was a contributing factor to the aircraft departing the runway. Since that time; we put brake controller -6 on the airplane and the airplane no longer leaves marks on the runway and the tires seem to be recovering from the original wear marks.
Original NASA ASRS Text
Title: Embraer E50P pilot reported that the aircraft tracked to the right upon landing.
Narrative: Upon landing; the aircraft departed the runway to the right. I was seated in the right seat. I was not the pilot flying; however; upon landing rollout I noticed the aircraft beginning to track toward the right side of the runway. I stated 'Left Rudder' and applied left rudder. The aircraft continued to track toward the right and the right main tire left the runway. No damage occurred.Upon exiting the aircraft; I noticed long tire marks from the point of touchdown to the spot where the aircraft stopped. This is unusual for our aircraft and any other Phenom 100 to my knowledge. I recalled the Brake Control Unit was updated at the last inspection just 2 weeks prior. We notified the manufacturer and they sent out a maintenance team to check the airplane.After the aircraft was checked out by maintenance; I performed a taxi check and noticed the tires were still leaving marks on the runway. I questioned Embraer about this and they stated the aircraft was performing as designed and it is a 'certified product'. I explained to them that this seemed unusual. After all checks were complete; I decided to land at ZZZ on their 12;000ft runway to check out the landing performance. Upon landing at ZZZ I noticed the brand new tire with 1 landing on it had chunking and chevron marks on the tire. I once again thought this was unusual. I decided to bring the aircraft to the service center to have them study and repair the brakes. Embraer stands by the newest brake controller; but I have my issues. So; I had Embraer put the previous model brake controller on the aircraft.While Embraer doesn't seem to have any issues with their controller; nor do they want to provide me any information about the landing from the CVDR (Cockpit Voice and Data Recorder) downloads; I do not trust the latest brake controller -7 and I believe it was a contributing factor to the aircraft departing the runway. Since that time; we put brake controller -6 on the airplane and the airplane no longer leaves marks on the runway and the tires seem to be recovering from the original wear marks.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.