Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
February 15, 2022
Submitted
February 25, 2022
Operation
Air carrier
Aircraft
N556AS
Make and model
Boeing 737890
Aircraft serial
35175
Aircraft time
52,133 hours, 18,197 cycles
Part
Floorbeam
Part number
147A55041
Condition
Corroded
Stage of operation
IN
How discovered
9
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

FLOOR BEAM STA 947 HAS CORROSION AT RBL 50 AROUND MOUNT FITTING. GROUNDED - YES. REPAIRED FLOORBEAM UPPER HORZ FLANGE IAW 737-800 SRM 53-70-51-2R-5W-1" O-.180" R-.148" L-1" D-.022".