SDR 2025FA0000535

Service difficulty report · Nut Plate · Cessna 680A

Difficulty date: August 5, 2025
Submitted: August 5, 2025
Operation: General aviation
Aircraft: N650QS
Make and model: Cessna 680A
Aircraft serial: 680A0196
Aircraft time: 6,539 hours, 4,308 cycles
System (JASC): 5340 · Fuselage Main, Attach Fittings
Part: Nut Plate
Condition: Corroded
Location: Zone 100
Part time: 6,539 hours, 4,308 cycles
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

UPON REMOVAL OF 316CBC AND 316DBC FOR L5 INSTALLATION, FOUND CORROSION UNDER MULTIPLE NUTPLATES. REMOVED NUTPLATES AND BLENDED CORROSION FROM AFFECTED AREA ON APROX. F.S. 500-570 INSIDE PANEL 316CBC AND 316DBC ON STRINGERS IAW CESSNA 680A SRM 51-10-01 & 51-40-05, FABRICATED DOUBLERS AND INSTALLED OVER AREAS R1 THRU R14 AND L2 THRU L6 AND RE-INSTALLED NUTPLATES IAW RFTS-114440 N650QS (680A-0196) LH AND RH AFT FAIRING STRINGER CORROSION REV. 0 DATE 8/4/25.

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