SDR UIEA2025080101077

Service difficulty report · Closeout Panel · Boeing 7474B5F

Difficulty date: August 8, 2025
Submitted: August 8, 2025
Operation: Air carrier
Aircraft: N446MC
Make and model: Boeing 7474B5F
Aircraft serial: 33517
Aircraft time: 88,448 hours, 15,129 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Closeout Panel
Condition: Cracked
Location: Zone 200
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

MAIN DECK, BS 1241, LBL 77- 90, BELOW FLOOR PANEL LT CLOSURE PANEL FOUND CRACKED. CRACKED CLOSURE PANEL REPLACED IAW SRM 51-10-02 AND NEW CLOSURE PANEL HOLE'S TRANSFERRED IAW SRM 51-40-05 AND NEW CLOSURE PANEL INSTALLED IAW SRM 51-40-02. NO FURTHER DEFECTS NOTED.

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