Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
March 24, 2021
Submitted
April 16, 2021
Operation
Air carrier
Aircraft
N979AN
Make and model
Boeing 737823
Aircraft serial
29568
Aircraft time
35,612 hours, 14,399 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 946.
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION OF FLOORBEAM AT STA 946.5 AND RBL 6, MEASURING L=0.75 IN, W=0.75 IN, D=0.066 IN. ACCOMPLISHED PERMANENT REINFORCING REPAIR WITH NESTED ANGLES IAW SRM 53-70-51-2R-5.