Service difficulty report · Floor Support · Boeing 737823

Difficulty date
October 9, 2026
Submitted
October 21, 2026
Operation
Air carrier
Aircraft
N959NN
Make and model
Boeing 737823
Aircraft serial
33329
Aircraft time
35,773 hours, 14,920 cycles
Part
Floor Support
Part number
141A5410U140IAW
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 FOUND ON SCREW HOLE IN INTERCOSTAL, LBL 47 BETWEEN STA 312 AND STA 328. MAINTENANCE INSTALLED REPAIRED PART IAW SRM 51-40-02, DRAWING 141A5410 AND AARD 51-00-05-01.