<< >> NASA ASRS Report 481599, August 2000

A B727-200 on final approach at 3 mi and 1000 ft flaps 30 degrees selected outboard flaps extended to 30 but inboard flaps stuck at 2 units, cause unknown.

Attributes
ACN	481599
Time
Date	200008
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : msp.airport
State Reference	MN
Altitude	agl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : m98.tracon
Operator	common carrier : air carrier
Make Model Name	B727-200
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 30r
Flight Phase	descent other
Route In Use	approach : straight in
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 300 flight time total : 14500 flight time type : 5500
ASRS Report	481599
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : flap position indication other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On final approach, into msp, called for landing flaps flaps 30 degrees. Inboard flaps remained at flaps 2 degrees. All other confign normal. Captain called and set vref +24, had flight engineer verify speed from QRH for inboard flaps inoperative. Flew vref +24 and landed normally. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a B727-200 and the flap problem was not asymmetric, as all flaps were even, but not split. The reporter said the inboards stopped at 2 units and the outboards went to the selected position at 30 units. The reporter said maintenance immediately ran the flaps at msp after arrival but had found no quick fix and the airplane was taken OTS.

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Original NASA ASRS Text

Title: A B727-200 ON FINAL APCH AT 3 MI AND 1000 FT FLAPS 30 DEGS SELECTED OUTBOARD FLAPS EXTENDED TO 30 BUT INBOARD FLAPS STUCK AT 2 UNITS, CAUSE UNKNOWN.

Narrative: ON FINAL APCH, INTO MSP, CALLED FOR LNDG FLAPS FLAPS 30 DEGS. INBOARD FLAPS REMAINED AT FLAPS 2 DEGS. ALL OTHER CONFIGN NORMAL. CAPT CALLED AND SET VREF +24, HAD FE VERIFY SPD FROM QRH FOR INBOARD FLAPS INOP. FLEW VREF +24 AND LANDED NORMALLY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A B727-200 AND THE FLAP PROB WAS NOT ASYMMETRIC, AS ALL FLAPS WERE EVEN, BUT NOT SPLIT. THE RPTR SAID THE INBOARDS STOPPED AT 2 UNITS AND THE OUTBOARDS WENT TO THE SELECTED POS AT 30 UNITS. THE RPTR SAID MAINT IMMEDIATELY RAN THE FLAPS AT MSP AFTER ARR BUT HAD FOUND NO QUICK FIX AND THE AIRPLANE WAS TAKEN OTS.

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.