Service difficulty report · Floorbeam · Boeing 737790

Difficulty date
October 5, 2011
Submitted
October 18, 2011
Operation
Air carrier
Aircraft
N622AS
Make and model
Boeing 737790
Aircraft serial
30165
Aircraft time
38,761 hours, 17,066 cycles
Part
Floorbeam
Part number
147A57102
Condition
Corroded
Location
Fuselage
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 STA 992 FLOORBEAM WEB CORRODED AROUND FASTENER HOLES RBL 45 STR 19R. BLENDED CORROSION IAW B737 700 SRM 53 70 51 ORIG MAT .050 REMAINING IS .042 IS BEYOND ALLOWEABLE LIMITS. REPLACED WEB SUPPORT ANGLE P/N 147A5710 2 IAW B737 700 SRM 51 40 02 BAC DWG 147A5710.