What was found
CRACKS FOUND UNDER CENTER FLOOR STRUCTURE AT STATION 520. GROUNDED - YES. REMOVED AND REPLACED 2EA FLOOR SUPPORTS IAW B737-900 ER SRM 51-40-02-OG-O.
- Difficulty date
- April 22, 2026
- Submitted
- May 21, 2026
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 38,179 hours, 11,725 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143A524063143A52
- 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.