Service difficulty report · Skin · Boeing 777*

Difficulty date
February 24, 2008
Submitted
February 25, 2008
Operation
Air carrier
Aircraft
N774AM
Make and model
Boeing 777*
Aircraft serial
28689
Aircraft time
25,382 hours, 4,742 cycles
Engine
Ge GE9092B
Part
Skin
Condition
Deformed
Location
Lt Wing
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING TAXING, THE AC LT SLATS NR 2 AND 3 STRUCK AGAINST A LAMPPOST OF TAXIWAY. DETAILED INSP WAS PERFORMED ON LT WING DETECTING STRUCTURAL DAMAGE ON SLATS NR 2 AND 3 OF 70 INCHES LENGTH AND 25 INCHES WIDTH, OUT OF LIMITS, LOCATED BETWEEN STATIONS WS1110 AND WS1162, WHICH INCLUDES CRACKS IN LEADING EDGE AND STRUCTURE OF 53 INCHES LENGTH AND 22 INCHES WIDTH. ADDITIONALLY, THE LT WING UPPER SKIN FROM STA WS1125 TO WS1147 WAS FOUND DEFORMED AND WITH A CRACK NEAR TO THE FWD BEAM AND THE LT WING LOWER SKIN FROM STA WS1125 TO WS1174 WAS FOUND DEFORMED AND CRACKED NEAR TO THE FWD BEAM. DETAILED REPAIR INFORMATION WILL BE SENT AS A SUPPLEMENT.