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Captain of medium large transport lost control during landing roll briefly due to asymmetrical thrust forces caused by only 1 engine reverser. He corrected back from the runway edge by disengaging the left reverser. Postflt inspection of aircraft revealed grass on the left main gear with no visual damage to the aircraft.
| Attributes | |
| ACN | 415017 |
| Time | |
| Date | 199809 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : atl |
| State Reference | GA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 16000 flight time type : 4600 |
| ASRS Report | 415017 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 120 flight time total : 2700 flight time type : 400 |
| ASRS Report | 415510 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other anomaly other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : regained aircraft control other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
The takeoff and flight were conducted within normal operating parameters. The WX on arrival was light rain. The aircraft touched down on centerline. I deployed the left thrust reverser. There was a maintenance carryover indicating the right thrust reverser was inoperative. As the left thrust reverser was deployed, the plane drifted left of centerline. I stowed the reverser and corrected back to the centerline. I then taxied to the gate. After passenger deplaned, the first officer and I inspected the aircraft. We noticed grass on the left main gear, but we did not see any mud. There was no visible damage to the aircraft.
Original NASA ASRS Text
Title: CAPT OF MLG LOST CTL DURING LNDG ROLL BRIEFLY DUE TO ASYMMETRICAL THRUST FORCES CAUSED BY ONLY 1 ENG REVERSER. HE CORRECTED BACK FROM THE RWY EDGE BY DISENGAGING THE L REVERSER. POSTFLT INSPECTION OF ACFT REVEALED GRASS ON THE L MAIN GEAR WITH NO VISUAL DAMAGE TO THE ACFT.
Narrative: THE TKOF AND FLT WERE CONDUCTED WITHIN NORMAL OPERATING PARAMETERS. THE WX ON ARR WAS LIGHT RAIN. THE ACFT TOUCHED DOWN ON CTRLINE. I DEPLOYED THE L THRUST REVERSER. THERE WAS A MAINT CARRYOVER INDICATING THE R THRUST REVERSER WAS INOP. AS THE L THRUST REVERSER WAS DEPLOYED, THE PLANE DRIFTED L OF CTRLINE. I STOWED THE REVERSER AND CORRECTED BACK TO THE CTRLINE. I THEN TAXIED TO THE GATE. AFTER PAX DEPLANED, THE FO AND I INSPECTED THE ACFT. WE NOTICED GRASS ON THE L MAIN GEAR, BUT WE DID NOT SEE ANY MUD. THERE WAS NO VISIBLE DAMAGE TO THE ACFT.
Data retrieved from NASA's ASRS site as of July 2007 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.