What was found
STA 947 FLOOR BEAM UPPER TEE CORRODED AT RBL-48. GROUNDED - YES. BLENDED CORROSION, FOUND TO BWE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REPAIRED FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-5W= 1.0 O= .180 R= .150 L= 3.00 D= .030.
- Difficulty date
- December 21, 2024
- Submitted
- January 24, 2025
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 55,568 hours, 16,391 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A5504
- 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.