Service difficulty report · Floor Support · Boeing 737890

Difficulty date
July 22, 2026
Submitted
August 13, 2026
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
49,578 hours, 14,568 cycles
Part
Floor Support
Part number
147A56761
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 AREA FLOOR SUPPORT STRUCTURE IS CORRODED BETWEEN BS 947-967 LBL 20. GROUNDED - YES. REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT STRUCTURE BETWEEN BS 947-967 LBL 20 IAW B737-800 SRM 51-40-02-0G-0, STEP 7.B & C. W: 2" / O: .066" /R: .034" /L: 2" /D: .032".