B737-700 crew allowed the aircraft to get too slow during flap retraction.

Attributes
ACN	538186
Time
Date	200202
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ind.airport
State Reference	IN
Altitude	msl single value : 2000
Environment
Flight Conditions	IMC
Weather Elements	Rain
Light	Daylight
Aircraft 1
Controlling Facilities	tower : ind.tower
Operator	common carrier : air carrier
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 300 flight time total : 16400 flight time type : 700
ASRS Report	538186
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	non adherence : published procedure non adherence : far non adherence : company policies other anomaly other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : airspeed indicator attitude indicator other flight crewa other flight crewb
Resolutory Action	flight crew : regained aircraft control none taken : detected after the fact other
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

On takeoff, moved flaps from 15 degrees to 5 degrees at V2+20, when vertical velocity indicator went to 4000 ft (updraft) and speed decreased to V2. Disconnect autothrottles to get full power and told first officer to reduce pitch.

Original NASA ASRS Text

Title: B737-700 CREW ALLOWED THE ACFT TO GET TOO SLOW DURING FLAP RETRACTION.

Narrative: ON TKOF, MOVED FLAPS FROM 15 DEGS TO 5 DEGS AT V2+20, WHEN VERT VELOCITY INDICATOR WENT TO 4000 FT (UPDRAFT) AND SPD DECREASED TO V2. DISCONNECT AUTOTHROTTLES TO GET FULL PWR AND TOLD FO TO REDUCE PITCH.

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.