What was found
AFT WET AREA FLOOR SUPPORT RBL 20 STA 947 TO 967 HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0W=3" O=.075 R=.012 L=4 D=.063.
- Difficulty date
- June 19, 2024
- Submitted
- July 2, 2024
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 41,329 hours, 13,084 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A56768
- Condition
- Corroded
- Location
- Bs 947-967 Rbl20
- 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.