What was found
AIRCRAFT IN BASE MAINTENANCE. CRACK IN FLOORBOARD BREAK ASSEMBLY AT STA 540 BETWEEN BL- AND LBL 22, MEASURING L=2.0 IN, W=1.0 IN, D=0.032 IN. REPLACED BREAK ASSEMBLY WITH NEW, IAW SRM 51-40-01.
- Difficulty date
- October 6, 2020
- Submitted
- October 19, 2020
- Operation
- Air carrier
- Aircraft
- N811NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31079
- Aircraft time
- 33,443 hours, 13,558 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 143A524035
- Condition
- Cracked
- Location
- Bs 540
- 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.