Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
November 3, 2025
Submitted
January 15, 2026
Operation
Air carrier
Aircraft
N945NN
Make and model
Boeing 737823
Aircraft serial
33233
Aircraft time
34,775 hours, 14,455 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 PASSENGER CABIN FLOORBEAM UPPER TEE AT BS 986.5, LBL 42.5. REPAIRED THE FLOORBEAM TEE IAW SRM 53-70-51-2R-6 ALTERNATIVE 4.