<< >> NASA ASRS Report 1052152, November 2012

B777 captain reports that one of his company's aircraft auto tunes the frequency for ILS X [Z] 25R at eddf when the ILS Y 25R is selected in the FMC. Manual entry is required to over ride.

Attributes
ACN	1052152
Time
Date	201211
Place
Locale Reference	EDDF.Airport
State Reference	FO
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	B777 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Component
Aircraft Component	Navigation Database
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 240 Flight Crew Total 12000 Flight Crew Type 6000
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

When selecting ilsy 25R approach; the frequency for ilsx 25R auto tunes. This problem has existed on [this aircraft] for a week or 2 and other pilots have cycled the approaches until the correct freq was entered. No luck with that technique; so manually selected the correct ILS freq. This auto tuning fault is unique to [this particular aircraft]; per conversations with other captains.

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Original NASA ASRS Text

Title: B777 Captain reports that one of his company's aircraft auto tunes the frequency for ILS X [Z] 25R at EDDF when the ILS Y 25R is selected in the FMC. Manual entry is required to over ride.

Narrative: When selecting ILSY 25R approach; the frequency for ILSX 25R auto tunes. This problem has existed on [this aircraft] for a week or 2 and other pilots have cycled the approaches until the correct freq was entered. No luck with that technique; so manually selected the correct ILS freq. This auto tuning fault is unique to [this particular aircraft]; per conversations with other captains.

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.