Altitude deviation altitude excursion during emergency gear extension routine.

Attributes
ACN	210499
Time
Date	199205
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : evv
State Reference	IN
Altitude	msl bound lower : 2500 msl bound upper : 2800
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Controlling Facilities	tower : evv
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	cruise other descent : approach other
Route In Use	approach : straight in
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : cfi pilot : commercial
Experience	flight time last 90 days : 50 flight time total : 800 flight time type : 50
ASRS Report	210499
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : critical altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

On final approach for landing at evv, runway 22. Had problem with landing gear. Front gear did not lock in place. Used emergency procedure including unusual attitudes. In doing so, deviation from assigned altitude momentarily. No incident in landing. No conflicts.

Original NASA ASRS Text

Title: ALTDEV ALT EXCURSION DURING EMER GEAR EXTENSION ROUTINE.

Narrative: ON FINAL APCH FOR LNDG AT EVV, RWY 22. HAD PROBLEM WITH LNDG GEAR. FRONT GEAR DID NOT LOCK IN PLACE. USED EMER PROC INCLUDING UNUSUAL ATTITUDES. IN DOING SO, DEV FROM ASSIGNED ALT MOMENTARILY. NO INCIDENT IN LNDG. NO CONFLICTS.

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.