What was found
FLOOR STRUCTURE, SUB-FLOOR PANEL AT MAIN CABIN COMPARTMENT RBL 50. UNDER FWD RH DRAIN HAS CORROSION AT NUTPLATE AREA. DOT 28-16. REPLACED NUTPLATE AT MAIN CABIN COMPARTMENT RBL 50 IAW SRM 51-40-02-0G-0. REVIEWED.
- Difficulty date
- March 12, 2025
- Submitted
- March 31, 2025
- Operation
- Air carrier
- Aircraft
- N473UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 28846
- Aircraft time
- 25,469 hours, 16,974 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill Drain
- Part number
- 141N525046
- 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.