What was found
FWD WET AREA INTERCOSTAL AT STA 312-328 LBL45 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL P/N 141A5410U140 PER B737-900ER SRM 51-40-02 & DRAWING# 141A5400 SHEET 26 REV- PO: 1136869.1, 1133095.1.
- Difficulty date
- November 9, 2025
- Submitted
- November 21, 2025
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 42,201 hours, 13,261 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5410U140
- 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.