Service difficulty report · Floor Support · Boeing 737823

Difficulty date
September 30, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N940NN
Make and model
Boeing 737823
Aircraft serial
33323
Aircraft time
34,893 hours, 14,335 cycles
Part
Floor Support
Part number
147A566022
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 FLOOR STRUCTURE INTERCOSTAL AT BS 947.5, RBL 54. REPLACED INTERCOSTAL PER SRM 53-70-51-2R-5.