Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
May 1, 2022
Submitted
May 20, 2022
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
55,677 hours, 16,326 cycles
Part
Floorbeam
Part number
147A550411
Part serial
NA
Condition
Corroded
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

STA 947.5 FLOORBEAM, BUTTLINE 45R HAS CORROSION. GROUNDED - YES. EVALUATED CORROSION.ORIGINAL T .180"T REMOVED .028"T REMAIN .152"FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1.REMOVED CORRODED SECTION AND SURROUNDING STRUCTURE IAW B737-800 SRM 51-40-02FABRICATED NEW REPAIR PARTS AND INSTALLED IAW B737-800 SRM 53-70-51-2R-2.REINSTALLED SUB STRUCTURE IAW B737-800 SRM 51-40-02.