Service difficulty report · Floorbeam · Boeing 737990ER

Difficulty date
June 19, 2024
Submitted
July 22, 2024
Operation
Air carrier
Aircraft
N409AS
Make and model
Boeing 737990ER
Aircraft serial
41733
Aircraft time
41,329 hours, 13,084 cycles
Part
Floorbeam
Part number
147A550615
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 STA 986 FLOOR BEAM HAS CORROSION RBL 30 TO RBL 50. GROUNDED - YES. REPAIRED STA 986 FLOOR BEAM IAW 900ER-53EA-27211 REV 00 W 1 O .150 R .099 L 1 D .051.