Service difficulty report · Floorbeam · Boeing 7378

Difficulty date
July 27, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N8708Q
Make and model
Boeing 7378
Aircraft serial
42566
Aircraft time
22,099 hours, 10,319 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 FLOORBEAM, BS 947, RBL 49, WL 208. REMOVED CORROSION ON FLOORBEAM UPPER FLANGE 1 X 1 AREA ORIGINAL MATERIAL THICKNESS IS 0.150" LOWEST MATERIAL THICKNESS IS 0.120" DAMAGE FOUND TO BE OUT LIMITS ON UPPER TEE ANGLE TO BE REPAIRED ALONG THE FULL UPPER FLANGE IAW SRM 53-70-51-2R, REPAIR 5, PARA 2.B, ALTERNATIVE 1. ALL REPAIR TO BE PERFORMED AND RECORDED ON CCN TTG8Q01DE4K3.

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