Brake failure due to water in brake fluid which froze. Runway overrun.

Attributes
ACN	199296
Time
Date	199201
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ccy
State Reference	IA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : sfo
Operator	general aviation : instructional
Make Model Name	Small Transport
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 16 flight time total : 3000 flight time type : 526
ASRS Report	199296
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

During the rollout after touchdown at ccy airport, the brakes would not engage and the aircraft went onto the overrun of a 4000 ft runway. Water was later found in the brake fluid. The outside air temperature was 29 degrees F on the ground.

Original NASA ASRS Text

Title: BRAKE FAILURE DUE TO WATER IN BRAKE FLUID WHICH FROZE. RWY OVERRUN.

Narrative: DURING THE ROLLOUT AFTER TOUCHDOWN AT CCY ARPT, THE BRAKES WOULD NOT ENGAGE AND THE ACFT WENT ONTO THE OVERRUN OF A 4000 FT RWY. WATER WAS LATER FOUND IN THE BRAKE FLUID. THE OUTSIDE AIR TEMP WAS 29 DEGS F ON THE GND.

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.