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Flying J airway. Center controller gave heading for vector for traffic. Pilot turned to comply. Controller questioned turn. The first officer HSI was sticking. Continued turn at controller's request. Maintenance replaced HSI at next stop.
| Attributes | |
| ACN | 400099 |
| Time | |
| Date | 199804 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zme |
| State Reference | TN |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme tower : cpq |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 400099 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| ASRS Report | 400100 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : provided flight assist flight crew : overcame equipment problem flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
Narrative:
At cruise altitude on ZME ATC asked for a 30 degree left turn off of J180 for traffic. Several mins later ATC asked for an additional 10 degree left. Moments later ATC asked if we were back on course. Our response was no. At that point we noticed that the first officer CDI was hanging up and then we realized we were right of course. At ATC request we turned left again. No traffic separation was lost according to ZME. Upon landing at iah the first officer CDI was replaced.
Original NASA ASRS Text
Title: FLYING J AIRWAY. CTR CTLR GAVE HDG FOR VECTOR FOR TFC. PLT TURNED TO COMPLY. CTLR QUESTIONED TURN. THE FO HSI WAS STICKING. CONTINUED TURN AT CTLR'S REQUEST. MAINT REPLACED HSI AT NEXT STOP.
Narrative: AT CRUISE ALT ON ZME ATC ASKED FOR A 30 DEG L TURN OFF OF J180 FOR TFC. SEVERAL MINS LATER ATC ASKED FOR AN ADDITIONAL 10 DEG L. MOMENTS LATER ATC ASKED IF WE WERE BACK ON COURSE. OUR RESPONSE WAS NO. AT THAT POINT WE NOTICED THAT THE FO CDI WAS HANGING UP AND THEN WE REALIZED WE WERE R OF COURSE. AT ATC REQUEST WE TURNED L AGAIN. NO TFC SEPARATION WAS LOST ACCORDING TO ZME. UPON LNDG AT IAH THE FO CDI WAS REPLACED.
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.