What was found
FWD WET AREA FLOOR STRUCTURE INTERCOSTAL IS CRACKED BS312-BS328, LBL 45.6. GROUNDED - YES. REMOVED INTERCOSTAL IAW B737-900ER SRM 51-40-02. INSTALLED NEW INTERCOSTAL PER BAC DWG# 141A5400 REV- AND IAW B737-900ER SRM 51-40-02.
- Difficulty date
- December 3, 2024
- Submitted
- December 6, 2024
- Operation
- Air carrier
- Aircraft
- N435AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43292
- Aircraft time
- 39,942 hours, 12,478 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- 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.