What was found
MAIN CABIN STA 312-328 LBL45 INTERCOSTAL CRACKED. REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN STA 312@328 LBL 45. IAW SRM 51-40-02-0G-0 AND DWG 141A5400
- Difficulty date
- February 19, 2026
- Submitted
- March 23, 2026
- Operation
- Air carrier
- Aircraft
- N57439
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33534
- Aircraft time
- 52,618 hours, 18,767 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410140
- 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.