Service difficulty report · Floor Support · Boeing 737823

Difficulty date
April 28, 2026
Submitted
May 5, 2026
Operation
Air carrier
Aircraft
N956NN
Make and model
Boeing 737823
Aircraft serial
31200
Aircraft time
34,764 hours, 14,497 cycles
Part
Floor Support
Part number
147A566021
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 AND LBL 50. REPLACED INTERCOSTAL PER SRM 53-70-51-2R-5.