Service difficulty report · Floorbeam · Boeing 737*

Difficulty date
February 6, 2022
Submitted
February 23, 2022
Operation
Air carrier
Aircraft
N824NN
Make and model
Boeing 737*
Aircraft serial
30916
Aircraft time
35,660 hours, 14,599 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100 - Fuse
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 FLOOR BEAM AT STA 986 BETWEEN RBL 28 AND RBL 29, MEASURING L=0.112 IN, W=0.112 IN. ACCOMPLISHED PERMANENT REINFORCING REPAIR WITH NESTED ANGLES AND STRAP IAW SRM 51-40-02 AND EA333925.