B737-400 captain turned off all inertial reference units on climb out of sea.

Attributes
ACN	539483
Time
Date	200202
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sea.airport
State Reference	WA
Altitude	msl single value : 10000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : s46.tracon tower : sea.tower
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 12000 flight time type : 6000
ASRS Report	539212
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical non adherence : published procedure non adherence : far non adherence : company policies other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance controller : provided flight assist flight crew : diverted to another airport none taken : detected after the fact other
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Departing sea, while climbing through and accomplishing the 10000 ft flow, captain inadvertently turned off IRU's. Leveled off and requested return to sea and accomplished uneventful visual approach and landing.

Original NASA ASRS Text

Title: B737-400 CAPT TURNED OFF ALL INERTIAL REF UNITS ON CLB OUT OF SEA.

Narrative: DEPARTING SEA, WHILE CLBING THROUGH AND ACCOMPLISHING THE 10000 FT FLOW, CAPT INADVERTENTLY TURNED OFF IRU'S. LEVELED OFF AND REQUESTED RETURN TO SEA AND ACCOMPLISHED UNEVENTFUL VISUAL APCH AND LNDG.

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.