What was found
CORROSION UPPER DECK WET AREA FLOOR PANEL WEB EXTERNAL SURFACE AT BS 520 - BS 540, LBL 45.83. INSTALLED FABRICATED PARTS IAW SRM 51-40-02-0G, REV 106, AND DWG 141U5420, SH3, REV-, & DWG 141U5420, SH4, REV F.
- Difficulty date
- June 1, 2026
- Submitted
- June 12, 2026
- Operation
- Air carrier
- Aircraft
- N577UP
- Make and model
- Boeing 74744AF
- Aircraft serial
- 35666
- Aircraft time
- 63,511 hours, 9,924 cycles
- System (JASC)
- 5321 · Fuselage Floor Panel
- Part
- Floor Panel
- Part number
- 141U54212
- 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.