SDR FDEA202107271877

Service difficulty report · Dome Nut · Boeing 75721B

Difficulty date: July 27, 2021
Submitted: July 28, 2021
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 60,590 hours, 39,365 cycles
System (JASC): 5340 · Fuselage Main, Attach Fittings
Part: Dome Nut
Part number: 111N52075
Condition: Corroded
Location: Bs 900-1040
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

DAMAGED AND CORRODED DOME NUT PLATES UNDER FLOOR PANEL 242MGF REMOVED DAMAGED CROWN SUPPORT IAW SRM 51-40-02, FABED NEW CROWN SUPPORT IAW BOEING DWG 111N5207 AND SRM 51-10-02, INSTALLED NEW CROWN SUPPORT IAW BOEING DWG 111N5201 AND SRM 51-40-02 STA. 900-1040 RBL 45.5, PART MARKED AS FX-111N5207-5 IAW FEDEX GMM 7-0-1001, MAJOR REPAIR.

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