<< >> NASA ASRS Report 391175, January 1998

An air carrier flight crew in an medium large transport had difficulty extending their flaps initially, but were successful, finally.

Attributes
ACN	391175
Time
Date	199801
Day	Thu
Local Time Of Day	0001 To 0600
Place
Locale Reference	atc facility : igwq airport : sfo
State Reference	CA
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tracon : oak
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 16500 flight time type : 1000
ASRS Report	391175
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument 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 : declared emergency flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Cleared for ILS runway 28R approach to sfo, when slowing to configure, flaps would not come down, locked at flaps 1 degree, slats/no flaps. Received clearance to 3000 ft MSL and took vectors for another approach. Procedures were accomplished and an emergency landing declared. Flew another ILS runway 28R sfo. Approach and landing uneventful. Emergency terminated. ATC, when notified of problem, was professional and very helpful. Even though flight was late, crew had long day, late at night, company training proved invaluable.

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Original NASA ASRS Text

Title: AN ACR FLC IN AN MLG HAD DIFFICULTY EXTENDING THEIR FLAPS INITIALLY, BUT WERE SUCCESSFUL, FINALLY.

Narrative: CLRED FOR ILS RWY 28R APCH TO SFO, WHEN SLOWING TO CONFIGURE, FLAPS WOULD NOT COME DOWN, LOCKED AT FLAPS 1 DEG, SLATS/NO FLAPS. RECEIVED CLRNC TO 3000 FT MSL AND TOOK VECTORS FOR ANOTHER APCH. PROCS WERE ACCOMPLISHED AND AN EMER LNDG DECLARED. FLEW ANOTHER ILS RWY 28R SFO. APCH AND LNDG UNEVENTFUL. EMER TERMINATED. ATC, WHEN NOTIFIED OF PROB, WAS PROFESSIONAL AND VERY HELPFUL. EVEN THOUGH FLT WAS LATE, CREW HAD LONG DAY, LATE AT NIGHT, COMPANY TRAINING PROVED INVALUABLE.

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.