A B737-300's #2 xfer bus failed.

Attributes
ACN	687922
Time
Date	200602
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zla.artcc
State Reference	CA
Altitude	msl single value : 34800
Environment
Flight Conditions	VMC
Aircraft 1
Controlling Facilities	artcc : zla.artcc
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	arrival star : n/s
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 120 flight time total : 16000 flight time type : 10000
ASRS Report	687922
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : instrument loss
Resolutory Action	controller : provided flight assist
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Loss of xfer bus #2 resulting in loss of IRU 2; first officer displays; first officer flight instruments; normal trim; flap position indication and various other instrumentation. Contacted maintenance and dispatch. Cabin advisory was given to flight attendants. Coordination with ATC for an extended high downwind to check for aircraft landing confign. Had flight attendants check flap position by looking out of the windows. Normal landing accomplished.

Original NASA ASRS Text

Title: A B737-300'S #2 XFER BUS FAILED.

Narrative: LOSS OF XFER BUS #2 RESULTING IN LOSS OF IRU 2; FO DISPLAYS; FO FLT INSTS; NORMAL TRIM; FLAP POS INDICATION AND VARIOUS OTHER INSTRUMENTATION. CONTACTED MAINT AND DISPATCH. CABIN ADVISORY WAS GIVEN TO FLT ATTENDANTS. COORD WITH ATC FOR AN EXTENDED HIGH DOWNWIND TO CHK FOR ACFT LNDG CONFIGN. HAD FLT ATTENDANTS CHK FLAP POS BY LOOKING OUT OF THE WINDOWS. NORMAL LNDG ACCOMPLISHED.

Data retrieved from NASA's ASRS site as of January 2009 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.