B757 flight crew experiences flap disagree malfunction on approach to dtw.

Attributes
ACN	445100
Time
Date	199907
Day	Thu
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : dtw.airport
State Reference	MI
Altitude	msl single value : 3000
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : d21.tracon
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 21r other
Flight Phase	descent : approach
Route In Use	approach : instrument precision
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : atp
Experience	flight time last 90 days : 200 flight time total : 13000 flight time type : 1600
ASRS Report	445100
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : less severe other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : te flap indicator other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist flight crew : overcame equipment problem
Consequence	other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance Company
Primary Problem	Aircraft

Narrative:

Encountered flap disagree malfunction when flaps 25 degrees were selected. Accomplished appropriate procedure for malfunction while approach control provided delaying vectors. Landed uneventfully with partial flaps. Did not declare emergency, or prepare cabin for an emergency landing. After landing, checked company flight operations manual and found that there was little or no guidance on this subject of when to prepare cabin for emergency landing.

Original NASA ASRS Text

Title: B757 FLC EXPERIENCES FLAP DISAGREE MALFUNCTION ON APCH TO DTW.

Narrative: ENCOUNTERED FLAP DISAGREE MALFUNCTION WHEN FLAPS 25 DEGS WERE SELECTED. ACCOMPLISHED APPROPRIATE PROC FOR MALFUNCTION WHILE APCH CTL PROVIDED DELAYING VECTORS. LANDED UNEVENTFULLY WITH PARTIAL FLAPS. DID NOT DECLARE EMER, OR PREPARE CABIN FOR AN EMER LNDG. AFTER LNDG, CHKED COMPANY FLT OPS MANUAL AND FOUND THAT THERE WAS LITTLE OR NO GUIDANCE ON THIS SUBJECT OF WHEN TO PREPARE CABIN FOR EMER LNDG.

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.