Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
July 13, 2023
Submitted
August 11, 2023
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
55,430 hours, 16,491 cycles
Part
Floorbeam
Part number
147A550515
Part serial
NA
Condition
Corroded
Location
Unknown
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

MAIN CABIN FLOOR SUPPORT BEAM HAS CORROSION IN MANY FASTENER HOLES AT STA97. GROUNDED - YES. REMOVED CORROSION AS REQUIRED.ORIG THICKNESS .125". DEEPEST POINT REMOVED 0.050".WITH 0.075" REMAINING OUT OF LIMITS IAW B737-800 SRM 53-70-51. REPAIRED DAMAGED AREAS IAW B737-800 SRM 53-00-51 AND ALASKA EA# 800-53EA-25899 REV.00TOOLING T8392L CALE DUE OCT 2023.