What was found
AT PASSENGER COMPARTMENT CENTER BOX BS 540 FLOORBEAM AT LBL.0 CRACKED (MARKED). GROUNDED - YES. REMOVED AND REPLACED FLOORBEAM IAW SRM 51-40-02-0G-0.
- Difficulty date
- December 9, 2025
- Submitted
- January 7, 2026
- Operation
- Air carrier
- Aircraft
- N273AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 61554
- Aircraft time
- 29,646 hours, 9,589 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 143A524063
- 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.