Service difficulty report · Floorbeam · Boeing 737790

Difficulty date
June 30, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N612AS
Make and model
Boeing 737790
Aircraft serial
30162
Aircraft time
65,388 hours, 32,555 cycles
Part
Floorbeam
Part number
147A8507
Condition
Corroded
Location
Bs 992
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

LH FLOOR SILL AT STA 992 HAS CORROSION UNDER Z-ANGLE STRIP, IN THE CABIN. GROUNDED - YES. REMOVED AND REPLACED L/H FLOOR SILL AT STA 992 UNDER Z-ANGLE STRIP IN THE CABIN IAW 737-700 SRM 51-40-02-0G-0W=2" O=.080" R=.069" L=1 D=.011".