Large transport has abnormal flap operation.

Attributes
ACN	257900
Time
Date	199311
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	msl bound lower : 6000 msl bound upper : 6000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tracon : oak
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	descent : approach descent other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : flight engineer pilot : instrument pilot : cfi pilot : atp
Experience	flight time last 90 days : 200 flight time total : 9000 flight time type : 700
ASRS Report	257900
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : overcame equipment problem flight crew : declared emergency
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

During normal approach sequence, flaps did not operate normally, would not move beyond 1 degree. Used abnormal procedures per operating manual. Flaps operated in alternate flap mode. Used 20 degrees as stated and requested longest available runway and emergency equipment as a precaution. Landed normally and taxied into gate. Made maintenance notation in aircraft log and problem was subsequently handled by maintenance.

Original NASA ASRS Text

Title: LGT HAS ABNORMAL FLAP OP.

Narrative: DURING NORMAL APCH SEQUENCE, FLAPS DID NOT OPERATE NORMALLY, WOULD NOT MOVE BEYOND 1 DEG. USED ABNORMAL PROCS PER OPERATING MANUAL. FLAPS OPERATED IN ALTERNATE FLAP MODE. USED 20 DEGS AS STATED AND REQUESTED LONGEST AVAILABLE RWY AND EMER EQUIP AS A PRECAUTION. LANDED NORMALLY AND TAXIED INTO GATE. MADE MAINT NOTATION IN ACFT LOG AND PROB WAS SUBSEQUENTLY HANDLED BY MAINT.

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.