Service difficulty report · Floor Support · Boeing 737823

Difficulty date
July 11, 2025
Submitted
August 6, 2025
Operation
Air carrier
Aircraft
N974AN
Make and model
Boeing 737823
Aircraft serial
30098
Aircraft time
67,504 hours, 28,684 cycles
Part
Floor Support
Part number
147A5660U3
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 TO PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL AT BS 951, LBL 25. REPLACED INTERCOSTAL PER AARD 51-00-05-1.