<< >> NASA ASRS Report 292177, December 1994

Medium large transport nose gear tire cap separated from the tire during takeoff resulting in breaking the landing gear light and cut a hydraulic line causing loss of fluid.

Attributes
ACN	292177
Time
Date	199412
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : san
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-100
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : takeoff other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	292177
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : anomaly accepted other other
Consequence	other Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On takeoff out of san after V1, prior vr, felt thump on nose wheel. Continued takeoff. All system operating normally. Passing 15000 ft noticed hydraulic quantity going down followed shortly by right system press low (light) coming on. Followed appropriate checklist, called dispatch and decided to continue on to ord. Due to high gross weight and abundance of petro (39000 pounds), 150 mi west of ord finally got below maximum landing weight. Dispatch had already declared an emergency for us with ZAU. Landed runway 32L, rolled out stopped straight ahead on runway. Crew chief pinned gear and towed us to the gate. Inspected nose gear and found landing gear (light) broken by separation of rubber off nose tire. Also found crack in hydraulic line and piece of tire deflector missing due to separation of rubber.

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Original NASA ASRS Text

Title: MLG NOSE GEAR TIRE CAP SEPARATED FROM THE TIRE DURING TKOF RESULTING IN BREAKING THE LNDG GEAR LIGHT AND CUT A HYD LINE CAUSING LOSS OF FLUID.

Narrative: ON TKOF OUT OF SAN AFTER V1, PRIOR VR, FELT THUMP ON NOSE WHEEL. CONTINUED TKOF. ALL SYS OPERATING NORMALLY. PASSING 15000 FT NOTICED HYD QUANTITY GOING DOWN FOLLOWED SHORTLY BY R SYS PRESS LOW (LIGHT) COMING ON. FOLLOWED APPROPRIATE CHKLIST, CALLED DISPATCH AND DECIDED TO CONTINUE ON TO ORD. DUE TO HIGH GROSS WT AND ABUNDANCE OF PETRO (39000 LBS), 150 MI W OF ORD FINALLY GOT BELOW MAX LNDG WT. DISPATCH HAD ALREADY DECLARED AN EMER FOR US WITH ZAU. LANDED RWY 32L, ROLLED OUT STOPPED STRAIGHT AHEAD ON RWY. CREW CHIEF PINNED GEAR AND TOWED US TO THE GATE. INSPECTED NOSE GEAR AND FOUND LNDG GEAR (LIGHT) BROKEN BY SEPARATION OF RUBBER OFF NOSE TIRE. ALSO FOUND CRACK IN HYD LINE AND PIECE OF TIRE DEFLECTOR MISSING DUE TO SEPARATION OF RUBBER.

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.