Service difficulty report · Floor Support · Boeing 737823

Difficulty date
November 15, 2025
Submitted
November 25, 2025
Operation
Air carrier
Aircraft
N907AN
Make and model
Boeing 737823
Aircraft serial
29509
Aircraft time
74,732 hours, 31,157 cycles
Part
Floor Support
Part number
141A540U4148
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 LOCATED FROM BS 344 TO BS 360 AT LBL 11. REPLACED INTERCOSTAL PER AARD 51-00-05-1.