A B737-800 on approach at 3000 ft had trailing edge flaps fail to extend beyond 15 degrees.

Attributes
ACN	701352
Time
Date	200606
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lax.airport
State Reference	CA
Altitude	msl single value : 3000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zla.artcc
Operator	common carrier : air carrier
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	701352
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : flap position indicator other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On approach flaps would not extend beyond 15 degrees; system B pressure was indication 63%; landed with 15 degrees flaps -- all normal landing and taxi in. Wrote up in logbook and notified dispatcher of occurrence. Callback conversation with reporter revealed the following information: the reporter stated no maintenance action was reported to the crew on the fix or component failed or replaced.

Original NASA ASRS Text

Title: A B737-800 ON APCH AT 3000 FT HAD TRAILING EDGE FLAPS FAIL TO EXTEND BEYOND 15 DEGS.

Narrative: ON APCH FLAPS WOULD NOT EXTEND BEYOND 15 DEGS; SYS B PRESSURE WAS INDICATION 63%; LANDED WITH 15 DEGS FLAPS -- ALL NORMAL LNDG AND TAXI IN. WROTE UP IN LOGBOOK AND NOTIFIED DISPATCHER OF OCCURRENCE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED NO MAINT ACTION WAS RPTED TO THE CREW ON THE FIX OR COMPONENT FAILED OR REPLACED.

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.