A B767-300 is mandated to return land when the leading edge flaps show a disagreement after departure, west of cdg, lfpg, first officer.

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Attributes
ACN	506758
Time
Date	200104
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lfpg.airport
State Reference	FO
Altitude	msl single value : 10000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : lfff.artcc
Operator	common carrier : air carrier
Make Model Name	B767-300 and 300 ER
Operating Under FAR Part	Part 121
Navigation In Use	other other
Flight Phase	climbout : initial ground : parked
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	506759
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	aircraft : equipment problem dissipated flight crew : landed in emergency condition flight crew : declared emergency flight crew : diverted to another airport other
Consequence	faa : reviewed incident with flight crew other other Other
Factors
Maintenance	contributing factor : engineering procedure contributing factor : schedule pressure performance deficiency : repair performance deficiency : inspection performance deficiency : fault isolation performance deficiency : testing
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

At clean-up, going to flaps 'up,' the EICAS message of leading edge flap asymmetry came on. Appropriate checklists and fuel dump were accomplished. A normal landing was done back at cdg, because the problem cleared after the aircraft was configured for landing. A smooth landing, overweight landing inspection accomplished. The aircraft was signed off and redispatched. Supplemental information from acn 506759: the captain was flying the aircraft and kept it below 240 KTS while we analyzed the situation. He continued to fly the airplane while the other first officer and I ran the appropriate checklists. Maintenance met the aircraft and did the necessary repairs. Supplemental information from acn 506757: flap retraction 1 to up triggered leading edge flap asymmetry EICAS message. Entered holding at amoga/10000 ft. Declared emergency. Turned aircraft after necessary repairs 'repeat write-up.'

Original NASA ASRS Text

Title: A B767-300 IS MANDATED TO RETURN LAND WHEN THE LEADING EDGE FLAPS SHOW A DISAGREEMENT AFTER DEP, W OF CDG, LFPG, FO.

Narrative: AT CLEAN-UP, GOING TO FLAPS 'UP,' THE EICAS MESSAGE OF LEADING EDGE FLAP ASYMMETRY CAME ON. APPROPRIATE CHKLISTS AND FUEL DUMP WERE ACCOMPLISHED. A NORMAL LNDG WAS DONE BACK AT CDG, BECAUSE THE PROB CLRED AFTER THE ACFT WAS CONFIGURED FOR LNDG. A SMOOTH LNDG, OVERWT LNDG INSPECTION ACCOMPLISHED. THE ACFT WAS SIGNED OFF AND REDISPATCHED. SUPPLEMENTAL INFO FROM ACN 506759: THE CAPT WAS FLYING THE ACFT AND KEPT IT BELOW 240 KTS WHILE WE ANALYZED THE SIT. HE CONTINUED TO FLY THE AIRPLANE WHILE THE OTHER FO AND I RAN THE APPROPRIATE CHKLISTS. MAINT MET THE ACFT AND DID THE NECESSARY REPAIRS. SUPPLEMENTAL INFO FROM ACN 506757: FLAP RETRACTION 1 TO UP TRIGGERED LEADING EDGE FLAP ASYMMETRY EICAS MESSAGE. ENTERED HOLDING AT AMOGA/10000 FT. DECLARED EMER. TURNED ACFT AFTER NECESSARY REPAIRS 'REPEAT WRITE-UP.'

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.