Service difficulty report · Floorbeam · Boeing 737990ER

Difficulty date
January 22, 2025
Submitted
February 14, 2025
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
38,181 hours, 11,907 cycles
Part
Floorbeam
Part number
147A550518
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 967 FLOORBEAM HAS CORROSION T APPROX RBL 40 AND 46. GROUNDED - YES. REPAIRED STA 967 FLOORBEAM IAW 900ER-53EA-28203, REMOVED CORROSION AND IS OUT OF LIMITS IAW 737-900ER SRM 53-70-51-1A-1 W: 2" O: .0125 R: .058 L: 4" D: .067.