What was found
UPON REMOVAL IN TRANSITION PANEL FOUND INTERCOSTAL STA 747-767 RBL24 TO BE CORRODED. GROUNDED - YES. FOUND TO BE OUT OF LIMITS REMOVED & REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02W=1.0" O=.032 R=.027 L=1.0" D=.005.
- Difficulty date
- August 28, 2025
- Submitted
- September 19, 2025
- Operation
- Air carrier
- Aircraft
- N525AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35692
- Aircraft time
- 52,686 hours, 18,965 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 146A750512
- Condition
- Corroded
- Location
- Zone 100
- 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.