Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
September 24, 2026
Submitted
October 22, 2026
Operation
Air carrier
Aircraft
N959NN
Make and model
Boeing 737823
Aircraft serial
33329
Aircraft time
35,773 hours, 14,920 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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 ON FLOOR BEAM AROUND FASTENER HOLE AT STA 986.5 LBL 45. REMOVED CORRODED T-CAP COMPONENTS AND REPLACED WITH SERVICEABLE COMPONENTS PER SRM 53-70-51-2R-6 ALT 4.