Service difficulty report · Floor Panel · Boeing 737990ER

Difficulty date
February 24, 2025
Submitted
March 4, 2025
Operation
Air carrier
Aircraft
N478AS
Make and model
Boeing 737990ER
Aircraft serial
44105
Aircraft time
33,436 hours, 10,416 cycles
Part
Floor Panel
Part number
141A5810729
Condition
Cracked
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

FWD WET AREA FLOOP PANEL 141A5810-729 CORNER TAB IS BROKEN & LOWER SURFACE IS DAMAGED. GROUNDED - YES. REPAIRED BROKEN CORNER TAB USING A PERMANENT WET LAY UP REPAIR. REPAIRED DAMAGED LOWER SURFACE USING A PERMANENT REPAIR WITH POTTING COMPOUND AND WET LAY UP REPAIR. REMOVED 6EA INSERTS FOM AND REINSTALLED NEW INSERTS AFTER REPAIRS WERE COMPLETED IAW B737-900ER SRM 53-00-50-2R-1, B737-900ER SRM 53-00-50-2R-5, B737-900ER SRM 53-00-50-2R-0.