Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
December 31, 2025
Submitted
January 27, 2026
Operation
Air carrier
Aircraft
N970NN
Make and model
Boeing 737823
Aircraft serial
31218
Aircraft time
31,331 hours, 13,373 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
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 FLOOR BEAM UPPER CHORD (T-CAP) AT BS 947, RBL 51. REPAIRED UPPER CHORD PER SRM 53-70-51-2R-5 AND EA 371483.