Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
September 24, 2026
Submitted
October 30, 2026
Operation
Air carrier
Aircraft
N8655D
Make and model
Boeing 7378H4
Aircraft serial
42529
Aircraft time
39,613 hours, 19,362 cycles
Part
Floorbeam
Condition
Corroded
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

CORROSION ON BS 947 FLOORBEAM UPPER FLANGE AT NUTPLATE HOLES, BTWN RBL 4 - LBL 17, WL 208. EVALUATED THE DAMAGE, & FOUND TO BE OUT OF LIMITS DUE TO CORROSION ON PREVIOUS REPAIR IAW SRM 53-70-51-1A-1, DAMAGE WILL BE REPAIRED ON CC TTG8Q01ETKVE.

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