Service difficulty report · Floor Support · Boeing 737990ER

Difficulty date
June 19, 2024
Submitted
July 9, 2024
Operation
Air carrier
Aircraft
N409AS
Make and model
Boeing 737990ER
Aircraft serial
41733
Aircraft time
41,329 hours, 13,084 cycles
Part
Floor Support
Part number
147A566022
Condition
Corroded
Location
Aft Cabin
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 RBL 50 STA 947 TO 967 HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED FLOOR SUPPORT AT RBL 50 FROM STA 947 TO 967 IAW BOEING 737-900 SRM 51-40-02-0G-0W-2" O-.085" R-.075" L-2" D-.010.