Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
July 17, 2025
Submitted
August 13, 2025
Operation
Air carrier
Aircraft
N934NN
Make and model
Boeing 737823
Aircraft serial
33489
Aircraft time
35,019 hours, 15,327 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 FLOORBEAM UPPER CHORD (T-CAP) AT STA 947 RBL 53. REPAIRED UPPER CHORD PER SRM 53-70-51-2R-5 AND EA 366810 AND EA 366572.