Service difficulty report · Floor Support · Raythn 400ARAYTHEON

Difficulty date
March 18, 2020
Submitted
March 20, 2020
Operation
Air carrier
Aircraft
N485CT
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK545
Aircraft time
7,824 hours, 5,879 cycles
Part
Floor Support
Condition
Cracked
Location
Cabin
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

CENTER FLOOR PANEL SUPPORT IN CABIN AT MOST FORWARD POINT IS CRACKED. PANEL #151DTC. MX STOP DRILLED 1.25" "Z" CHANNEL CRACT AT FS 3481. FORMED DOUBLER OUT OF .032-2024 T3 OF THE SAME THICKNESS AND BEND RADIUS. IAW BEECHCRAFT 400XP SRM 51-40-00 AND 51-50-45. SEE SUPPORT ASSEMBLY-MIDDLE FUESELAGE, LOWER FIGURE 1 FOR PARTS AND SPEC. IAW SRM 53-10-53. WITH THIS REPAIR THERE IS NO RE-INSPECT CRITERIA FROM SRM MANUAL