SDR 2025F00200

Service difficulty report · Skin · Cessna 680A

Difficulty date
August 26, 2025
Submitted
August 26, 2025
Operation
General aviation
Aircraft
N357QS
Make and model
Cessna 680A
Aircraft serial
6800155
Aircraft time
15,072 hours, 10,012 cycles
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

MECHANICALLY BLENDED 12 AREAS OF CORROSION LOCATED BELOW AFT BAGGAGE FLOOR BETWEEN FS519.37 AND FS534.70 IAW SRM 51-70-02. FOUND 10 AREAS OF CORROSION BLENDING TO BE WITHIN LIMITS IAW SRM 51-70-02. PROTECTED BARE METAL IAW C680 SRM 51-20-01. THIS IS A PSE AREA IAW SRM 51-00-01. PER NJA GMM 2.1.2 THIS IS LEVEL 1 CORROSION. FOUND 2 AREAS OF CORROSION BLENDING TO BE BEYOND LIMITS IAW CESSNA 680 SRM 51-70-02. EXCEEDING 0.002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REPAIRED CORROSION BLEND IAW NETJETS ENGINEERING RFTS-114465 REV. 0, TAIL CONE SKINS UNDER BAGGAGE FLOOR. PAGE 6, AREAS #6 AND #7 ON FIGURE 1 DATED 20AUG25.

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