Service difficulty report · Floorbeam · Boeing 737824

Difficulty date
April 14, 2026
Submitted
April 20, 2026
Operation
Air carrier
Aircraft
N77296
Make and model
Boeing 737824
Aircraft serial
34002
Aircraft time
59,222 hours, 21,739 cycles
Part
Floorbeam
Part number
147A5504
Condition
Corroded
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

AFT WET AREA POSSIBLE CORROSION ON FLOORBEAM UNDER HARD POINT STA 947 RBL 25. PERFORMED REPAIR ON AFT WET AREA FLOOR BEAM BTW STA 947 AND RBL 25.THIS IS A CATEGORY "A" REPAIR. THE INSPECTIONS GIVEN IN THE MAINTENANCE PLANNING DATA ARE SUFFICIENT TO MAINTAIN DAMAGE TOLER ANCE OF THE INITIAL STRUCTURE WITH THIS REPAIR INSTALLED IAW SRM 53-70-51-2R-5 STEP 2A. ALL WORK ACCOMPLISHED IAW SRM 53-70-51-2R-5.