<< >> NASA ASRS Report 974229, October 2011

A319 captain experiences a pitch up as the glide slope is captured during the ILS 5R approach to MMMX. Autopilot and autothrust are disconnected and approach is completed manually.

Attributes
ACN	974229
Time
Date	201110
Local Time Of Day	1201-1800
Place
Locale Reference	MMMX.Airport
State Reference	FO
Environment
Flight Conditions	Marginal
Aircraft 1
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	Descent
Component
Aircraft Component	Approach Coupler
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 125 Flight Crew Total 10000 Flight Crew Type 2200
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Speed All Types

Narrative:

Cleared for ILS 5R from smo. Speed 200 KT assigned; gear down; checklist complete. Passing smo descended on profile; speed 180 KT assigned then assigned 160 KT. Flaps 3 selected. At lead radial managed speed requested; flaps full selected and approach armed. Descending from 8;800; glide slope captured first. Upon localizer capture aircraft banked; pitched up and was followed by a 'speed' call. Auto thrust and autopilot were immediately disconnected and approach was completed manually. Runway 5R was in sight and eventually we sidestepped to 5L for uneventful landing.

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Original NASA ASRS Text

Title: A319 Captain experiences a pitch up as the glide slope is captured during the ILS 5R approach to MMMX. Autopilot and autothrust are disconnected and approach is completed manually.

Narrative: Cleared for ILS 5R from SMO. Speed 200 KT assigned; gear down; checklist complete. Passing SMO descended on profile; speed 180 KT assigned then assigned 160 KT. Flaps 3 selected. At lead radial managed speed requested; flaps full selected and approach armed. Descending from 8;800; glide slope captured first. Upon localizer capture aircraft banked; pitched up and was followed by a 'SPEED' call. Auto thrust and autopilot were immediately disconnected and approach was completed manually. Runway 5R was in sight and eventually we sidestepped to 5L for uneventful landing.

Data retrieved from NASA's ASRS site as of April 2012 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.