SDR SCNA20260810343

Service difficulty report · Skin · Boeing 73783N

Difficulty date: April 7, 2026
Submitted: August 11, 2026
Operation: Air carrier
Aircraft: N5479A
Make and model: Boeing 73783N
Aircraft serial: 32578
Aircraft time: 63,558 hours, 41,195 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
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 BS 887 - 1016, STRINGER 4L, CORRODED. PERFORMED PERMANENT REPAIR AT EXTERNAL FUSELAGE SKIN PANEL FROM BS 887 - 1006, STRINGER 14L DUE TO CORROSION IAW EO COO-EO-2026-24383-R01, AND RDR 1 COO-SCA-26-0063-12B, AND SCA ENGINEERING AUTHORIZATION 53-0306.

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