What was found
AIRCRAFT IN BASE MAINTENANCE: CRACKS & DELAMINATION TO PASSENGER CABIN FLOORBEAM, BS 540 FROM LBL 45 TO LBL 60. REPLACED FLOORBEAM IAW AARD 51-00-05-1.
- Difficulty date
- September 6, 2025
- Submitted
- October 2, 2025
- Operation
- Air carrier
- Aircraft
- N976AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30099
- Aircraft time
- 68,962 hours, 29,110 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 143A524049
- 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.