<< >> NASA ASRS Report 873691, February 2010

A B757 crew reported a te disagree EICAS message while lowering flaps to 25 on approach. The flaps failed to retract when 5 was selected on the go around. Following the checklist the crew lowered the flaps to 30 and completed a normal landing without declaring an emergency.

Attributes
ACN	873691
Time
Date	201002
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Night
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Flight Plan	IFR
Component
Aircraft Component	Wing Trailing Edge
Person 1
Function	First Officer Pilot Not Flying
Person 2
Function	Captain Pilot Flying
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

As we lowered the flaps to 25; the 'te disagree' message appeared and the flaps stayed at 20. The captain decided to continue and we got the 'too low flaps' warning and went around. The flaps did not leave 20 when we tried to go to 15 on go around. We performed the 'te disagree' checklist and used alternate flap extension to lower the flaps to 30. The landing was without incident.

Related reports:

• A319 flight crew reported choosing to continue the approach ...

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Original NASA ASRS Text

Title: A B757 crew reported a TE Disagree EICAS message while lowering flaps to 25 on approach. The flaps failed to retract when 5 was selected on the go around. Following the checklist the crew lowered the flaps to 30 and completed a normal landing without declaring an emergency.

Narrative: As we lowered the flaps to 25; the 'TE Disagree' message appeared and the flaps stayed at 20. The Captain decided to continue and we got the 'Too Low Flaps' warning and went around. The flaps did not leave 20 when we tried to go to 15 on go around. We performed the 'TE Disagree' checklist and used alternate flap extension to lower the flaps to 30. The landing was without incident.

Data retrieved from NASA's ASRS site as of April 2012 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.