What was found
AFT WET AREA STA 986 FLOOR BEAM HAS CORROSION LBL 45 TO RBL 45. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900SRM 53-70-51-1A-1, REPAIRED FLOOR BEAM IAW B737-900 SRM 53-70-51-2R-6W=1.5 O=.150 R=.102 L=6 D=.048.
- Difficulty date
- March 20, 2024
- Submitted
- April 8, 2024
- Operation
- Air carrier
- Aircraft
- N320AS
- Make and model
- Boeing 737990
- Aircraft serial
- 33680
- Aircraft time
- 67,425 hours, 27,297 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A55068
- Condition
- Corroded
- Location
- Bs 986 Lbl-Rbl45
- 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.