Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
July 22, 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
147A5506
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 BS 986.5 FLOORBEAM CORRODED ON UPPER FLANGE AT RBL-42. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1, REPAIRED FLOORBEAM IAW SRM 53-70-51-2R