SDR SCNA20260811351

Service difficulty report · Skin · Boeing 73783N

Difficulty date: April 4, 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 AT STA 727 TO STA 887 ON STR-14R SKIN WITH CORROSION AND SCRIBE LINES. PERFORMED PERMANENT REPAIR AT EXTENRAL SKIN SECTION FROM STA 727 TO STA 887 BETWEEN STR-14R AND STR-17RH DUE TO CORROSION AND SCRIBE LINE IAW COOPESA E.O#COO-2026-24361-R05 REV 5 (07-22-2026) RDR #COO-SCA-26-0065-33B 53-0315 REV 00 . FUSELAGE SKIN INFORCING REPAIR BETWEEN BS 727C AND BS 727E S-13R AND S-25R

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