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An md-80 flight crew was unable to maintain their assigned altitude of FL360 when they encountered convective activity.
| Attributes | |
| ACN | 802095 |
| Time | |
| Date | 200808 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : mem.airport |
| State Reference | TN |
| Altitude | msl single value : 36000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Thunderstorm |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme.artcc tower : ccr.tower |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute airway : j41.airway |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 8000 flight time type : 4000 |
| ASRS Report | 802095 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 6000 flight time type : 1000 |
| ASRS Report | 802101 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : weather |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | other |
| Supplementary | |
| Problem Areas | Weather Aircraft |
| Primary Problem | Weather |
Narrative:
At FL360 and at tops of convective activity; had to descend to maintain airspeed. Received clearance to maintain FL350 and then received additional clearance to FL340. Flight continued to destination. Supplemental information from acn 802101: had difficulty raising ATC on radio during the initial descent needed to maintain airspeed.
Original NASA ASRS Text
Title: AN MD-80 FLT CREW WAS UNABLE TO MAINTAIN THEIR ASSIGNED ALT OF FL360 WHEN THEY ENCOUNTERED CONVECTIVE ACTIVITY.
Narrative: AT FL360 AND AT TOPS OF CONVECTIVE ACTIVITY; HAD TO DSND TO MAINTAIN AIRSPD. RECEIVED CLRNC TO MAINTAIN FL350 AND THEN RECEIVED ADDITIONAL CLRNC TO FL340. FLT CONTINUED TO DEST. SUPPLEMENTAL INFO FROM ACN 802101: HAD DIFFICULTY RAISING ATC ON RADIO DURING THE INITIAL DSCNT NEEDED TO MAINTAIN AIRSPD.
Data retrieved from NASA's ASRS site as of May 2009 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.