What was found
AIRCRAFT IN BASE MAINTENANCE: AFT CABIN WET AREA PASSENGER FLOOR STRUCTURE UPPER SURFACE AT STA 950 LBL 49 INTERCOSTAL CORRODED. REMOVED AND REPLACED INTERCOSTAL IAW SRM 53-70-51-01-1 AND SRM 51-40-02-0G.
- Difficulty date
- October 11, 2026
- Submitted
- October 15, 2026
- Operation
- Air carrier
- Aircraft
- N819NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31083
- Aircraft time
- 49,788 hours, 21,223 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A5660U21
- 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.