What was found
AFT L/H CABIN STA 970 FLOOR STRUCTURE HAS 3EA FASTENER HOLES WITH CORROSION. GROUNDED - YES. REMOVED AND REPLACED FLOOR STRUCTURE SUPPORT IAW B737-900ER SRM 51-40-02 AND IAW BAC DWG 140A9870 REV:-.
- Difficulty date
- November 26, 2024
- Submitted
- December 12, 2024
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 39,644 hours, 12,471 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 140A9872U4
- Condition
- Corroded
- 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.