<< >> NASA ASRS Report 270180, May 1994

Air carrier hears unusual noise on gear retraction. On landing at destination prepares for emergency. Landing uneventful.

Attributes
ACN	270180
Time
Date	199405
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : lax
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	landing 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 : 15000 flight time type : 3000
ASRS Report	270180
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : atp
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency none taken : anomaly accepted other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

During landing gear retraction on a flight from sfo to lax we heard a loud slapping and rubbing sound from the nose gear area. Had sfo tower sweep runway 1L for debris. No debris found on runway, suspected damaged nose gear or tires. Continued flight to lax to burn off fuel and better WX conditions. Had flight attendants prepare cabin for emergency landing and possible evacuate/evacuation. Had emergency equipment standing by at lax. All cabin preparations were completed prior to our approach at lax. Crew, flight attendant and passenger were briefed about landing. Landing was normal except that nosewheels were held off until approximately 80-90 KIAS. Aircraft was stopped on runway, inspected, and taxied to the gate. One of the nose tires was a recap and threw its tread off. The mechanics who inspected the nose tires after landing said that the company had a lot of problems with this particular brand of recap tire.

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Original NASA ASRS Text

Title: ACR HEARS UNUSUAL NOISE ON GEAR RETRACTION. ON LNDG AT DEST PREPARES FOR EMER. LNDG UNEVENTFUL.

Narrative: DURING LNDG GEAR RETRACTION ON A FLT FROM SFO TO LAX WE HEARD A LOUD SLAPPING AND RUBBING SOUND FROM THE NOSE GEAR AREA. HAD SFO TWR SWEEP RWY 1L FOR DEBRIS. NO DEBRIS FOUND ON RWY, SUSPECTED DAMAGED NOSE GEAR OR TIRES. CONTINUED FLT TO LAX TO BURN OFF FUEL AND BETTER WX CONDITIONS. HAD FLT ATTENDANTS PREPARE CABIN FOR EMER LNDG AND POSSIBLE EVAC. HAD EMER EQUIP STANDING BY AT LAX. ALL CABIN PREPARATIONS WERE COMPLETED PRIOR TO OUR APCH AT LAX. CREW, FLT ATTENDANT AND PAX WERE BRIEFED ABOUT LNDG. LNDG WAS NORMAL EXCEPT THAT NOSEWHEELS WERE HELD OFF UNTIL APPROX 80-90 KIAS. ACFT WAS STOPPED ON RWY, INSPECTED, AND TAXIED TO THE GATE. ONE OF THE NOSE TIRES WAS A RECAP AND THREW ITS TREAD OFF. THE MECHS WHO INSPECTED THE NOSE TIRES AFTER LNDG SAID THAT THE COMPANY HAD A LOT OF PROBS WITH THIS PARTICULAR BRAND OF RECAP TIRE.

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.