<< >> NASA ASRS Report 400140, April 1998

An air carrier B737 flight crew climbed above their assigned altitude when they were distraction by a flap warning light.

Attributes
ACN	400140
Time
Date	199804
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : llc
State Reference	NV
Altitude	msl bound lower : 15000 msl bound upper : 15500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 120 flight time total : 3100 flight time type : 278
ASRS Report	400140
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : overshoot non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Cleared to 15000 ft. Approaching altitude, noticed flap warning light. Attention diverted to problem. Noticed aircraft climbing through altitude, lowered nose and descended to 15000 ft.

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Original NASA ASRS Text

Title: AN ACR B737 FLC CLBED ABOVE THEIR ASSIGNED ALT WHEN THEY WERE DISTR BY A FLAP WARNING LIGHT.

Narrative: CLRED TO 15000 FT. APCHING ALT, NOTICED FLAP WARNING LIGHT. ATTN DIVERTED TO PROB. NOTICED ACFT CLBING THROUGH ALT, LOWERED NOSE AND DSNDED TO 15000 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.