What was found
AFT WET STA 989 FLOOR BEAM HAS MULTIPLE SPOTS OF CORROSION ALONG TOP CAP. GROUNDED - YES. FOUND TO HAVE 100% MAT LOSS REMOVED AND REPLACED STA 986 BEAM UPPER T-CAP REPAIR PARTS IAW B737-800 SRM 53-70-51-2R-4W=.3 O=.150 R=0 L=6 D=.150.
- Difficulty date
- February 15, 2022
- Submitted
- March 1, 2022
- Operation
- Air carrier
- Aircraft
- N556AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35175
- Aircraft time
- 52,133 hours, 18,197 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Beam
- Part number
- 147A550611
- Condition
- Corroded
- 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.