Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
August 12, 2025
Submitted
September 11, 2025
Operation
Air carrier
Aircraft
N936NN
Make and model
Boeing 737823
Aircraft serial
31176
Aircraft time
34,607 hours, 15,153 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 CHORD (T-CAP) LOCATED AT BS 947, LBL 8. REPAIRED UPPER CHORD PER SRM 53-70-51-2R-5 AND EA 367489.