Service difficulty report · Skin · Boeing 75724APF

Difficulty date
March 27, 2025
Submitted
April 18, 2025
Operation
Air carrier
Aircraft
N443UP
Make and model
Boeing 75724APF
Aircraft serial
27388
Aircraft time
30,937 hours, 20,215 cycles
Part
Skin
Part number
311N504658
Condition
Corroded
Location
Zone 400
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

# 2 PYLON OUTBD SIDE BETWEEN ACCESS PANELS SHOWS CORROSIONN AT INSIDE SKIN AREA. (RED DOT OUTSIDE). FABRICATED EXTERNAL REPAIR DOUBLER FOR ACCOMPLISHED STEP 19 OF EA # 757-5450-27-A3873 PRELIMINARY 3. VERIFIED FABRICATED EXTERNAL REPAIR DOUBLER FOR ACCOMPLISHED STEP 19 OF EA # 757-5450-27-A3873 PRELIMINARY 3.INSTALLED REPAIR PARTS FOR ACCOMPLISH TO STEP 30 OF EA # 757-5450-27-A3873 PRELIMINARY 3. REVIEWED

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