What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN BS 947 AND BS 967 AT RBL 25. REPLACED INTERCOSTAL PER SRM 53-70-51-1A.
- Difficulty date
- October 2, 2025
- Submitted
- October 15, 2025
- Operation
- Air carrier
- Aircraft
- N943NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31177
- Aircraft time
- 34,850 hours, 14,147 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A566022
- Condition
- Corroded
- 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.