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MD83 captain experiences traffic alert immediately followed by a resolution advisory upon descending out of 6;000 ft. Commands for climb and descent were received and the target remained co-located and same altitude. ATC reported no traffic in the area.
| Attributes | |
| ACN | 995071 |
| Time | |
| Date | 201202 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | TCAS Equipment |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Engineer |
| Experience | Flight Crew Last 90 Days 80 Flight Crew Total 13000 Flight Crew Type 3500 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude |
Narrative:
During descent out of approximately 6;000 ft we received a traffic alert immediately followed by a resolution advisory. Followed the alert commands which initially was to climb then later to descend. Contacted ATC was told there was no traffic in the area. The RA remained on the screen for 5 minutes and never received a clear of conflict. Suspect equipment malfunction. Entered discrepancy in AC log and submitted required forms. Initially told there were no injuries but later two flight attendants complained of sore backs.
Original NASA ASRS Text
Title: MD83 Captain experiences traffic alert immediately followed by a resolution advisory upon descending out of 6;000 FT. Commands for climb and descent were received and the target remained co-located and same altitude. ATC reported no traffic in the area.
Narrative: During descent out of approximately 6;000 FT we received a traffic alert immediately followed by a resolution advisory. Followed the alert commands which initially was to climb then later to descend. Contacted ATC was told there was no traffic in the area. The RA remained on the screen for 5 minutes and never received a clear of conflict. Suspect equipment malfunction. Entered discrepancy in AC log and submitted required forms. Initially told there were no injuries but later two flight attendants complained of sore backs.
Data retrieved from NASA's ASRS site as of July 2013 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.