B757 crew had flap slat disagreement EICAS warning in mia class B airspace.

Attributes
ACN	479147
Time
Date	200007
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mia.airport
State Reference	FL
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : mia.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	479147
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : executed go around flight crew : landed as precaution other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Flap problem. After selecting flaps 25 degrees on final approach, had both a leading edge and trailing edge slat/flap disagreement on EICAS. Reselecting flaps 20 degrees did not fix the problem. Executed go around and referenced operating manual. Requested equipment stand by as a precaution. Landed with flaps 20 degrees per operations manual abnormal procedure.

Original NASA ASRS Text

Title: B757 CREW HAD FLAP SLAT DISAGREEMENT EICAS WARNING IN MIA CLASS B AIRSPACE.

Narrative: FLAP PROB. AFTER SELECTING FLAPS 25 DEGS ON FINAL APCH, HAD BOTH A LEADING EDGE AND TRAILING EDGE SLAT/FLAP DISAGREEMENT ON EICAS. RESELECTING FLAPS 20 DEGS DID NOT FIX THE PROB. EXECUTED GAR AND REFED OPERATING MANUAL. REQUESTED EQUIP STAND BY AS A PRECAUTION. LANDED WITH FLAPS 20 DEGS PER OPS MANUAL ABNORMAL PROC.

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.