- Difficulty date
- October 4, 2023
- Submitted
- November 10, 2023
- Operation
- Air carrier
- Aircraft
- N239WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34714
- Aircraft time
- 57,648 hours, 34,679 cycles
- Part
- Floorbeam
- Part number
- UNKNOWN
- Condition
- Corroded
- Location
- Zn 200 Fus Top
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT FWD CABIN WET AREA FLOOR SUPPORT BEAM UPPER SURFACE AFT FLANGE RBL 10 STA 294;5 WL 208.1 MKD DOT<[01] ACCOMPLISHED FWD CABIN FLOOR BEAM UPPER CHORD AT STA 294.5 BETWEEN RBL-24 TO LBL-21 REF USED B737-700 SRM 53-10-51-2R-16 FIGURE 202 DETAIL(A)(B)(C)(D);[02] VERIFIED FLOOR BEAM UPPER CHORD REPAIR