Service difficulty report · Sidewall Support · Boeing 737890

Difficulty date
January 12, 2026
Submitted
February 18, 2026
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
69,843 hours, 21,345 cycles
Part
Sidewall Support
Part number
143A9405231
Condition
Corroded
Location
Zone 100
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

REMOVED CORROSION FOUND TO BE OUT OF LIMITS, REPAIRED FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-0W: 1" O: .150 R: .073 L: 1.5" D: .077. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G AND 53-00-07-1A-1W= 1" O= .050" R=.030" L= 3" D= .020".