What was found
AREA ABOVE CENTER SECTION WING BOX AT STA 540, BL 0, FLOOR PANEL SUPPORTS (LEFT/RIGHT) CRACKED. GROUNDED - YES. REMOVED AND REPLACED 2 FLOOR PANEL SUPPORTS IAW B737-900ER SRM 51-40-02-0G-0 & 51-40-05-0G-0.
- Difficulty date
- January 22, 2025
- Submitted
- February 6, 2025
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 38,181 hours, 11,907 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 143A524035
- 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.