A B767-300 crew found the #1 engine cowl open at liftoff.

Attributes
ACN	515531
Time
Date	200106
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : mia.airport
State Reference	FL
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : mia.tracon
Operator	common carrier : air carrier
Make Model Name	B767-300 and 300 ER
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : initial climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight attendant : on duty
Qualification	flight attendant : currently qualified flight attendant aircraft qualified on : 4
Experience	flight attendant time airline total : 22 flight attendant time total : 22 flight attendant time type : 100
ASRS Report	515531
Person 2
Affiliation	company : air carrier
Function	flight attendant : on duty
ASRS Report	515393
Events
Anomaly	aircraft equipment problem : less severe non adherence : company policies non adherence : published procedure other anomaly other
Independent Detector	other other : 2 & 3
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 other
Factors
Maintenance	performance deficiency : training performance deficiency : inspection
Supplementary
Problem Areas	Maintenance Human Performance Aircraft
Primary Problem	Maintenance Human Performance

Narrative:

Right after takeoff, I was informed by business class flight attendants #4 and #6 that top of l-hand engine cowling was inverted. I left jump seat to take a quick look, then went right into cockpit to inform the captain. The international officer came back to look, and we proceeded to dump fuel and return to mia.

Original NASA ASRS Text

Title: A B767-300 CREW FOUND THE #1 ENG COWL OPEN AT LIFTOFF.

Narrative: RIGHT AFTER TKOF, I WAS INFORMED BY BUSINESS CLASS FLT ATTENDANTS #4 AND #6 THAT TOP OF L-HAND ENG COWLING WAS INVERTED. I LEFT JUMP SEAT TO TAKE A QUICK LOOK, THEN WENT RIGHT INTO COCKPIT TO INFORM THE CAPT. THE INTL OFFICER CAME BACK TO LOOK, AND WE PROCEEDED TO DUMP FUEL AND RETURN TO MIA.

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.