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SDR CALA2016022495128

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Service difficulty report · Skin · Boeing 777222

FAA SDR system

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
System (JASC)
5730 · Wing, Plate/Skin
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 L14, WS 580 - 599.5, STRINGER L14, WS 626 - 678, STRINGER L14, WS 758 - 810.5, STRINGER L14, WS 810.5 - 863, STRINGER L14, WS 863 - 889.5, STRINGER L14, WS 889.5 - 942, STRINGER L14, WS 942 - 995, STRINGER L14, WS 1047 - 1101, STRINGER L14, WS 1128 - 1182, STRINGER L14, WS 1182 - 1209, STRINGER L14, WS 1292.5 - 1320, STRINGER L15 - 16, WS 968. CORROSION REMOVED & PROTECTED IAW SRM 51-10-02 & 51-20-01. HFEC, FLUORESCENT PENETRANT INSPECTION, NO CRACK OR DEFECT WAS FOUND.