Service difficulty report · Floor Support · Boeing 737823

Difficulty date
October 3, 2025
Submitted
October 13, 2025
Operation
Air carrier
Aircraft
N943NN
Make and model
Boeing 737823
Aircraft serial
31177
Aircraft time
34,850 hours, 14,147 cycles
Part
Floor Support
Part number
141A5410139
Condition
Cracked
Location
Zone 100
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: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 277 TO BS 294.5 AT RBL 2. REPLACED INTERCOSTAL PER AARD 51-00-05-1.