SDR SCNA20201201383

Service difficulty report · Nut Plate · Boeing 7378K2

Difficulty date: November 17, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N817SY
Make and model: Boeing 7378K2
Aircraft serial: 30392
Aircraft time: 65,543 hours, 25,167 cycles
System (JASC): 5340 · Fuselage Main, Attach Fittings
Part: Nut Plate
Condition: Corroded
Location: Aft Cargo
Stage of operation: IN
How discovered: 9
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

AFT CARGO COMPARTMENT CORROSION ON NUT PLATE STRIP ON BOTTOM OF FLOOR SILL STRAP INBOARD OF FWD SHIELD STA 787-787+6, RBL 20, WL 156. CORROSION ON STA 787-787+6 RBL 20 NUTPLATE STRIP FOUND TO BE OUT OF LIMITS, DUE TO NO ALLOWABLE DAMAGE IN THE SRM. REMOVED AND REPLACED P/O 807470, IAW SRM 51-40-02-0G-0 BOEING DWG 146A8340 REV C.

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