SDR SWAA2026062307678

Service difficulty report · Crossbeam · Boeing 7377H4

Difficulty date: May 29, 2026
Submitted: June 24, 2026
Operation: Air carrier
Aircraft: N476WN
Make and model: Boeing 7377H4
Aircraft serial: 32475
Aircraft time: 72,452 hours, 43,545 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crossbeam
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

CRACK FLOOR STRUCTURE BREAK PANEL ON BS 540 BTW LBL 0.07 TO RBL 24.82. REPLACED BREAK PANEL LOCATED ON FLOOR STRUCTURE BS 540 AND BTW LBL0 TO RBL 24.82 IAW DWG 143A0060, SHEET 36, REV A, SRM 51-40-02-0G-0, & SRM 51-10-02-0G-0, PARAGRAPH 9.

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