SDR 2025F00268

Service difficulty report · Skin · Cessna 680A

Difficulty date: November 10, 2025
Submitted: November 10, 2025
Operation: General aviation
Aircraft: N675QS
Make and model: Cessna 680A
Aircraft serial: 680A0212
Aircraft time: 6,349 hours, 4,056 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Zone 100
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

FOUND 43 AREAS OF CORROSION UNDER AFT BELLY PANEL 316CBC. MECHANICALLY REMOVED CORROSION WHERE 36 NUTPLATES WERE REMOVED AND 4 ADDITIONAL AREAS IN BAY 316CBC IAW SRM 51-70-03. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW SRM 51-70-03 EXCEEDING .002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REPAIRED CORROSION BLENDS IAW AQRD RFTS-115214 REV.0, TITLE: N675QS (680A-0212) AFT BELLY FAIRING PANEL 316CBC SUPPORT CORROSION.

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