Service difficulty report · Floor Support · Boeing 737823

Difficulty date
September 28, 2026
Submitted
October 6, 2026
Operation
Air carrier
Aircraft
N819NN
Make and model
Boeing 737823
Aircraft serial
31083
Aircraft time
49,788 hours, 21,223 cycles
Part
Floor Support
Part number
141A5410U140I
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: RH FWD WET AREA STRUCTURE SUPPORT CHANNEL ON STA 312 TO 328 HAS CRACKS DOT 42. MAINTENANCE REMOVED AND REPLACED INTERCOSTAL IAW B737-NG SRM 51-40-02-0G, 51-40-05-0G, AND AIPC 53-42-00-59D.