- Difficulty date
- March 7, 2020
- Submitted
- March 24, 2020
- Operation
- Air carrier
- Aircraft
- N918WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29843
- Aircraft time
- 41,374 hours, 24,603 cycles
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Fuselage
- 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.
What was found
FWD PASSENGER CABIN FLOOR BEAM STA 328 WL 208 RBL 55 UPPER SURFACE CORRODED. REMOVED CORROSION AT CABIN FLOOR BEAM UPPER SURFACE STA 328 RBL 55 IAW SRM 51-10-02-0G-0 AND SRM 53-10-51-1A-1, VERIFIED WITH 10X MAGNIFICATION. ORIGINAL THICKNESS .125" AFTER REWORK .092", .033" MATERIAL LOSS OF OF LIMITS IAW SRM 53-10-51-1A-1 FIG 103. TOOL: 31896 DUE: 03/11/21. REPAIRED STA 328 FLOOR BEAM IAW SRM 53-10-51-2R-8