<< >> NASA ASRS Report 574147, February 2003

Return land mandated after a B737-300 flight crew receives and responds to an APU fire warning after departing oak, ca.

Attributes
ACN	574147
Time
Date	200302
Day	Tue
Local Time Of Day	1201 To 1800
Place
State Reference	CA
Altitude	msl single value : 10000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : nct.tracon
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 6000 flight time type : 2000
ASRS Report	574147
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : apu fire light and bell other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist controller : issued new clearance flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition other
Consequence	other other Other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

False APU fire warning on climb out. Approximately 10000 ft, APU fire light and bell. Checklists run, declared emergency, returned to oak. Uneventful. Maintenance found no damage nor any indication of fire. Departed 1 hour 35 mins late.

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Original NASA ASRS Text

Title: RETURN LAND MANDATED AFTER A B737-300 FLT CREW RECEIVES AND RESPONDS TO AN APU FIRE WARNING AFTER DEPARTING OAK, CA.

Narrative: FALSE APU FIRE WARNING ON CLBOUT. APPROX 10000 FT, APU FIRE LIGHT AND BELL. CHKLISTS RUN, DECLARED EMER, RETURNED TO OAK. UNEVENTFUL. MAINT FOUND NO DAMAGE NOR ANY INDICATION OF FIRE. DEPARTED 1 HR 35 MINS LATE.

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.