Both right main gear tires blown during landing.

Attributes
ACN	234280
Time
Date	199302
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sjc
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : cvg
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
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 : 147 flight time total : 15163 flight time type : 5107
ASRS Report	234280
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : instrument pilot : commercial
Experience	flight time last 90 days : 125 flight time total : 3200 flight time type : 950
ASRS Report	234281
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

This flight was being operated as a manual speed brake, anti- skid inoperative condition to wet-low minimums. After making a normal flap 40 landing on runway 12R, I deployed speed brakes and initiated reverse thrust. I then began cautious brake application. Shortly thereafter, strong vibrations were experienced throughout the airplane. All 4 main tires were blown out or deflated. The subsequent tire fragmentation caused substantial damage to both main wheel well areas and the left trailing edge flap. The airplane rolled to a stop on centerline at approximately midfield. Passenger were deplaned by the normal exit and bussed to the terminal. The airplane was then towed to the ramp area. I believe this failure was due to failure of hydraulic brake metering pressure system or it was caused by applying brakes while in a hydroplaning situation then the tires grabbed the runway when the hydroplaning ceased.

Original NASA ASRS Text

Title: BOTH R MAIN GEAR TIRES BLOWN DURING LNDG.

Narrative: THIS FLT WAS BEING OPERATED AS A MANUAL SPD BRAKE, ANTI- SKID INOP CONDITION TO WET-LOW MINIMUMS. AFTER MAKING A NORMAL FLAP 40 LNDG ON RWY 12R, I DEPLOYED SPD BRAKES AND INITIATED REVERSE THRUST. I THEN BEGAN CAUTIOUS BRAKE APPLICATION. SHORTLY THEREAFTER, STRONG VIBRATIONS WERE EXPERIENCED THROUGHOUT THE AIRPLANE. ALL 4 MAIN TIRES WERE BLOWN OUT OR DEFLATED. THE SUBSEQUENT TIRE FRAGMENTATION CAUSED SUBSTANTIAL DAMAGE TO BOTH MAIN WHEEL WELL AREAS AND THE L TRAILING EDGE FLAP. THE AIRPLANE ROLLED TO A STOP ON CTRLINE AT APPROX MIDFIELD. PAX WERE DEPLANED BY THE NORMAL EXIT AND BUSSED TO THE TERMINAL. THE AIRPLANE WAS THEN TOWED TO THE RAMP AREA. I BELIEVE THIS FAILURE WAS DUE TO FAILURE OF HYD BRAKE METERING PRESSURE SYS OR IT WAS CAUSED BY APPLYING BRAKES WHILE IN A HYDROPLANING SIT THEN THE TIRES GRABBED THE RWY WHEN THE HYDROPLANING CEASED.

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.