A B727 PIC dumps fuel for a diversion to eyw when his WX radar fails 30 mi southwest of eyw, fl.

Attributes
ACN	481470
Time
Date	200008
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : eyw.airport
State Reference	FL
Altitude	msl single value : 15000
Environment
Flight Conditions	Mixed
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zma.artcc
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Route In Use	enroute : other oceanic enroute airway : ns.airway
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	481470
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe inflight encounter : weather other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : diverted to another airport flight crew : landed as precaution other
Consequence	other other
Supplementary
Problem Areas	Weather Flight Crew Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

Frequency: 132.2, altitude: 15000 ft. ATC facility: mia. Location: 30 mi southwest of key west. Fuel dumped to maximum landing weight because of radar failure in thunderstorm environment.

Original NASA ASRS Text

Title: A B727 PIC DUMPS FUEL FOR A DIVERSION TO EYW WHEN HIS WX RADAR FAILS 30 MI SW OF EYW, FL.

Narrative: FREQ: 132.2, ALT: 15000 FT. ATC FACILITY: MIA. LOCATION: 30 MI SW OF KEY WEST. FUEL DUMPED TO MAX LNDG WT BECAUSE OF RADAR FAILURE IN TSTM ENVIRONMENT.

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.