Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
July 26, 2026
Submitted
August 31, 2026
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
70,076 hours, 21,176 cycles
Part
Floorbeam
Part number
147A550419
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

AFT WET STA 947.5 FLOORBEAM CORRODED BETWEEN LBL -24 TO RBL-24 ON UPPER CHORD. GROUNDED - YES. REMOVED DAMAGE ON FLOORBEAM BS 947.5 LBL 24 TO RBL 24 MAX MAT LOSS 50%, DAMAGE FOUND TO BE OUT LIMITS AND REPAIRED FLOORBEAM ON BS 947.5 IAW SRM 53-70-51-2R-5.