An embraer 145 on descent experienced the right side speed brakes failing to stow.

Attributes
ACN	431554
Time
Date	199903
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : iah.airport
State Reference	TX
Altitude	agl single value : 12000
Environment
Light	Daylight
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 3300 flight time type : 1300
ASRS Report	431554
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical altitude deviation : crossing restriction not met altitude deviation : excursion from assigned altitude non adherence : clearance non adherence : far other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : altimeters other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Company Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

During descent to hoagi (10000 ft and 250 KTS required), we experienced a speed brake failure upon commanded retraction. The right side did not stow. In the midst of vectors, and completion of checklists, and controling the aircraft, we missed the altitude restr by 2000 ft, crossing at 12000 ft instead of the required 10000 ft.

Original NASA ASRS Text

Title: AN EMBRAER 145 ON DSCNT EXPERIENCED THE R SIDE SPD BRAKES FAILING TO STOW.

Narrative: DURING DSCNT TO HOAGI (10000 FT AND 250 KTS REQUIRED), WE EXPERIENCED A SPD BRAKE FAILURE UPON COMMANDED RETRACTION. THE R SIDE DID NOT STOW. IN THE MIDST OF VECTORS, AND COMPLETION OF CHKLISTS, AND CTLING THE ACFT, WE MISSED THE ALT RESTR BY 2000 FT, XING AT 12000 FT INSTEAD OF THE REQUIRED 10000 FT.

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.