Air carrier large transport aircraft split wing flap problem after takeoff.

Attributes
ACN	220013
Time
Date	199208
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bil
State Reference	MT
Altitude	agl bound lower : 2000 agl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : bil
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : cfi pilot : atp
Experience	flight time last 90 days : 150 flight time total : 15000 flight time type : 6000
ASRS Report	220013
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : atp pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

I was flying the aircraft and had departed VFR from 27R at billings, mt. (Large transport aircraft.) I called for flaps up, but the first officer pointed out that the trailing edge (inboard) flaps appeared to have stopped short of position 2, which is an intermediate position prior to retraction. Further attempts revealed that the inboard flaps would extend but not retract completely. The leading edge flaps operated normally. We followed irregular procedures in flight manual, consulted with our dispatch maintenance people. After calculation of the fuel burnout at reduced airspeed and altitude caused by partial extended flaps (230 KIAS, 320 KTS true at 20000 ft) we decided to continue to destination (denver) where a normal approach and landing were accomplished. The problem turned out to be a broken fairing which jammed the flaps trying to retract.

Original NASA ASRS Text

Title: ACR LGT ACFT SPLIT WING FLAP PROBLEM AFTER TKOF.

Narrative: I WAS FLYING THE ACFT AND HAD DEPARTED VFR FROM 27R AT BILLINGS, MT. (LGT ACFT.) I CALLED FOR FLAPS UP, BUT THE FO POINTED OUT THAT THE TRAILING EDGE (INBOARD) FLAPS APPEARED TO HAVE STOPPED SHORT OF POS 2, WHICH IS AN INTERMEDIATE POS PRIOR TO RETRACTION. FURTHER ATTEMPTS REVEALED THAT THE INBOARD FLAPS WOULD EXTEND BUT NOT RETRACT COMPLETELY. THE LEADING EDGE FLAPS OPERATED NORMALLY. WE FOLLOWED IRREGULAR PROCS IN FLT MANUAL, CONSULTED WITH OUR DISPATCH MAINT PEOPLE. AFTER CALCULATION OF THE FUEL BURNOUT AT REDUCED AIRSPD AND ALT CAUSED BY PARTIAL EXTENDED FLAPS (230 KIAS, 320 KTS TRUE AT 20000 FT) WE DECIDED TO CONTINUE TO DEST (DENVER) WHERE A NORMAL APCH AND LNDG WERE ACCOMPLISHED. THE PROBLEM TURNED OUT TO BE A BROKEN FAIRING WHICH JAMMED THE FLAPS TRYING TO RETRACT.

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.