Service difficulty report · Floor Support · Boeing 737823

Difficulty date
February 22, 2026
Submitted
February 26, 2026
Operation
Air carrier
Aircraft
N910AN
Make and model
Boeing 737823
Aircraft serial
29512
Aircraft time
69,698 hours, 28,833 cycles
Part
Floor Support
Part number
147A57051
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 AFT PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 986 TO BS 1006 AT LBL 30. REPLACED INTERCOSTAL PER AARD 51-00-05-1.