Altitude excursion prior to GS intercept, on ILS approach.

Attributes
ACN	306210
Time
Date	199505
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : lax
State Reference	CA
Altitude	msl bound lower : 3300 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lax
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 150 flight time total : 20000 flight time type : 200
ASRS Report	306210
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : published procedure non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

Socal approach cleared us for the ILS runway 25L approach. We got about 200 ft low as we approached the OM. Approach control then asked us to maintain visual separation with an aircraft on approach to runway 24R.

Original NASA ASRS Text

Title: ALT EXCURSION PRIOR TO GS INTERCEPT, ON ILS APCH.

Narrative: SOCAL APCH CLRED US FOR THE ILS RWY 25L APCH. WE GOT ABOUT 200 FT LOW AS WE APCHED THE OM. APCH CTL THEN ASKED US TO MAINTAIN VISUAL SEPARATION WITH AN ACFT ON APCH TO RWY 24R.

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.