<< >> NASA ASRS Report 460799, January 2000

An A319 crew experience a nose gear failure during approach to atl. They ran the ECAM procedure, the gravity gear extension procedure, and tried manual extension all to no avail. On approach for a partial gear landing, the first officer tried one last time to extend the gear by applying extra pressure to the manual gear extension handle which caused the gear to extend and lock.

Attributes
ACN	460799
Time
Date	200001
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : atl.airport
State Reference	GA
Altitude	msl bound lower : 2000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Aircraft 1
Controlling Facilities	tracon : atl.tracon
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : approach landing : missed approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi pilot : flight engineer pilot : multi engine pilot : instrument
Experience	flight time last 90 days : 225 flight time total : 7200 flight time type : 1000
ASRS Report	460799
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 100 flight time total : 13001 flight time type : 100
ASRS Report	461214
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : gear indicator other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : declared emergency flight crew : executed missed approach flight crew : overcame equipment problem flight crew : landed in emergency condition
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

While on final approach to atl, when the landing gear was selected down, it failed to extend. Following the ECAM procedures, the gear was recycled and still remained up. Subsequently, by ECAM and the gravity gear extension irregular procedure, the gear was manually extended. However, the nose gear remained up. Contact with company maintenance failed to resolve the nose gear problem and an emergency was declared with ATC and preparations were made to land with partial gear. During preparation to land with partial gear, the first officer applied some additional pressure to the manual gear extension handle and the nose gear uplock released and the nose gear extended and locked in position. Preparations for landing with partial gear were discontinued and a normal landing without nosewheel steering was completed without further incident. The aircraft was taxied clear of the runway using differential braking and power and was subsequently towed to parking by company maintenance where the passenger and crew deplaned normally.

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Original NASA ASRS Text

Title: AN A319 CREW EXPERIENCE A NOSE GEAR FAILURE DURING APCH TO ATL. THEY RAN THE ECAM PROC, THE GRAVITY GEAR EXTENSION PROC, AND TRIED MANUAL EXTENSION ALL TO NO AVAIL. ON APCH FOR A PARTIAL GEAR LNDG, THE FO TRIED ONE LAST TIME TO EXTEND THE GEAR BY APPLYING EXTRA PRESSURE TO THE MANUAL GEAR EXTENSION HANDLE WHICH CAUSED THE GEAR TO EXTEND AND LOCK.

Narrative: WHILE ON FINAL APCH TO ATL, WHEN THE LNDG GEAR WAS SELECTED DOWN, IT FAILED TO EXTEND. FOLLOWING THE ECAM PROCS, THE GEAR WAS RECYCLED AND STILL REMAINED UP. SUBSEQUENTLY, BY ECAM AND THE GRAVITY GEAR EXTENSION IRREGULAR PROC, THE GEAR WAS MANUALLY EXTENDED. HOWEVER, THE NOSE GEAR REMAINED UP. CONTACT WITH COMPANY MAINT FAILED TO RESOLVE THE NOSE GEAR PROB AND AN EMER WAS DECLARED WITH ATC AND PREPARATIONS WERE MADE TO LAND WITH PARTIAL GEAR. DURING PREPARATION TO LAND WITH PARTIAL GEAR, THE FO APPLIED SOME ADDITIONAL PRESSURE TO THE MANUAL GEAR EXTENSION HANDLE AND THE NOSE GEAR UPLOCK RELEASED AND THE NOSE GEAR EXTENDED AND LOCKED IN POS. PREPARATIONS FOR LNDG WITH PARTIAL GEAR WERE DISCONTINUED AND A NORMAL LNDG WITHOUT NOSEWHEEL STEERING WAS COMPLETED WITHOUT FURTHER INCIDENT. THE ACFT WAS TAXIED CLR OF THE RWY USING DIFFERENTIAL BRAKING AND PWR AND WAS SUBSEQUENTLY TOWED TO PARKING BY COMPANY MAINT WHERE THE PAX AND CREW DEPLANED NORMALLY.

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.