Service difficulty report · Skin · Boeing 74745E

Difficulty date
April 3, 2024
Submitted
April 8, 2024
Operation
Air carrier
Aircraft
N472MC
Make and model
Boeing 74745E
Aircraft serial
27062
Aircraft time
125,611 hours, 21,370 cycles
Part
Skin
Part number
UNKNOWN
Condition
Corroded
Location
Lt Wing
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

CORROSION DAMAGES ON THE LH WING UPPER SKIN (P/N= 112U3101-3) UPPER SURFACE NEAR WS 469.82, S-3 ~ S-4(<P>1. REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV 120 2. BLENDED OUT THE DAMAGE AREA IAW SRM 57-20-01-1A-A REV 120 3. PFM NDT INSP REFER TO JOB CARD ATTACHING SHEET 0429726 & DATA SHEET 9184863-1 & 9184863-2 4. ACCOMPLISHED EI T2024A57M-465 REV 1 5. CONDITION CHECK NORMAL AND JOB COMPLETED</P>)

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