SDR ASAA2025112062772

Service difficulty report · Floor Panel · Boeing 7378FH

Difficulty date: November 20, 2025
Submitted: December 5, 2025
Operation: Air carrier
Aircraft: N549AS
Make and model: Boeing 7378FH
Aircraft serial: 30824
Aircraft time: 68,466 hours, 24,432 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 143A5810147
Condition: Delaminated
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

FLOOR PANEL HAS COMPOSITE DAMAGE. GROUNDED - YES. EVALUATED PANEL FOUND DAMAGE TO BE BEYOND ALLOWABLE LIMITS, REQUIRES FABRICATION OF NEW PANEL IAW SRM 53-00-50-1A-1, FABRIACTED FLOOR PANEL IAW SRM 53-00-50-2R-0, IPC 53-21-00-24A, DWG 143A5810, REV-, & PL143A5810.

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