Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
September 10, 2026
Submitted
October 20, 2026
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
64,427 hours, 19,256 cycles
Part
Floorbeam
Part number
141A5690U1
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

FORWARD LAVATORY INBD AFT MOUNT CORRODED STRUCTURE FS 300. GROUNDED - YES. REMOVED DAMAGE ON FWD WET AREA LAV MOUNT INTERCOSTAL, FOUND TO BE OUT OF LIMITS, REMOVE AND REPLACED LAV MOUNT INTERCOSTAL STA 291.5 - 312 LBL 11.5 IAW B737-800 SRM 51-40-02-0G-0 STEP 7 D. W:2" O:.163R:.114 L:1"D:.049.