What was found
DURING REMOVAL OF THE AFT CARGO R/H TRANSITION FOUND INTERCOSTAL CORRODED STA 747-767. GROUNDED - YES. REMOVED AND REPLACED AFT CARGO INTERCOSTAL AT STA 747-767 IAW B737-800 SRM 51-40-02-0G-0 W=1IN O=.032 R=0 L=1IN D=.032".
- Difficulty date
- March 11, 2025
- Submitted
- March 27, 2025
- Operation
- Air carrier
- Aircraft
- N530AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36578
- Aircraft time
- 50,500 hours, 14,850 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.