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Flight crew of an large transport temporarily lost communications with ATC, due to a stuck microphone, and 'squawked' 7600 to alert ATC to their problem. Subsequently, communication was reestablished via company help through ACARS.
| Attributes | |
| ACN | 381090 |
| Time | |
| Date | 199709 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : mkg |
| State Reference | MI |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 12000 flight time type : 600 |
| ASRS Report | 381090 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
We had a stuck microphone in our aircraft. It would not let us transmit or receive on both radios. We squawk 7600 and sent an ACARS message. We were finally able to get the radios to work again.
Original NASA ASRS Text
Title: FLC OF AN LGT TEMPORARILY LOST COMS WITH ATC, DUE TO A STUCK MIKE, AND 'SQUAWKED' 7600 TO ALERT ATC TO THEIR PROB. SUBSEQUENTLY, COM WAS REESTABLISHED VIA COMPANY HELP THROUGH ACARS.
Narrative: WE HAD A STUCK MIKE IN OUR ACFT. IT WOULD NOT LET US XMIT OR RECEIVE ON BOTH RADIOS. WE SQUAWK 7600 AND SENT AN ACARS MESSAGE. WE WERE FINALLY ABLE TO GET THE RADIOS TO WORK AGAIN.
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.