What was found
MAIN CABIN FLOORBEAM HAS A CRACK AT BS 540, BL 0 - LBL 24.75. REPLACED MAIN CABIN FLOORBEAM IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, DWG 143A0060, SHEET 51, REV-, AND DWG 143A5240 SHEET 32 REV-; MEASUREMENT OF CRACK IS: 0.915 INCH.
- Difficulty date
- November 20, 2025
- Submitted
- December 19, 2025
- Operation
- Air carrier
- Aircraft
- N7750A
- Make and model
- Boeing 7377BD
- Aircraft serial
- 36716
- Aircraft time
- 56,039 hours, 29,466 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- 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.