Service difficulty report · Skin · Boeing 73783N

Difficulty date
April 7, 2026
Submitted
August 14, 2026
Operation
Air carrier
Aircraft
N5479A
Make and model
Boeing 73783N
Aircraft serial
32578
Aircraft time
63,558 hours, 41,195 cycles
Part
Skin
Condition
Corroded
Location
Zone 200
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

UPPER FUSELAGE EXTERNAL SKIN SECTION LAP JOINT LOWER SKIN FROM STA 360 TO STA 540 ON STR-14R SKIN WITH CORROSION. PERFORMED PERMANENT REPAIR AT SECTION 43 FROM BS 360 - 540 STR 4R EXTERNAL FUSELAGE SKIN PANEL DUE TO CORROSION REPAIR IAW EO 000-EO-2026-24311-R03 REV 03, ENGINEERING AUTHORIZATION 53-0317 REV 00. FUSELAGE SKIN REPAIR BETWEEN BS 420 AND 460 S3R AND S6R FAA FORM 8100-9 REF ID 20260414-0050-0012 (FIRST STAGE APPROVAL)DATED: 07/29/2026 CONTINUE ON TASK #15.

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