Service difficulty report · Skin · Boeing 777222

Difficulty date
February 23, 2016
Submitted
February 24, 2016
Operation
Air carrier
Aircraft
N213UA
Make and model
Boeing 777222
Aircraft serial
30219
Aircraft time
55,973 hours, 11,760 cycles
Engine
Pwa PW4077
Part
Skin
Condition
Corroded
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

LEFT WING LOWER SKIN EXTERIOR SURFACE FOUND CORROSION AT STRINGER L8 - L9, WS 1074, STRINGER L10, WS 862 - 916, STRINGER L10, WS 916 - 942, STRINGER L10, WS 995 - 1021, STRINGER L10, WS 1047 - 1101, STRINGER L10, WS 1101 - 1128, STRINGER L10, WS 115 5 - 1182, STRINGER L10, WS 1209.5 - 1237, STRINGER L10, WS 1292.5, STRINGER L11, WS 810.5, STRINGER L11, WS 863. LT WING LOWER SKIN EXTERIOR SURFACE CORROSION REMOVED & PROTECTED IAW SRM 51-10-02 & 51-20-01. HFEC, FLUORESCENT PENETRANT INSP NO CRACK OR DEFECT WAS FOUND.