What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK ON FLOOR SUPPORT STRUCTURE AT STA 540, LBL 1. MAINTENANCE REPLACED FLOOR SUPPORT STRUCTURE AT STA 540, LBL 1 IAW AIPC 53-42-11-66, AARD 51-00-05-1 AND SRM 51-40-02.
- Difficulty date
- August 13, 2026
- Submitted
- August 28, 2026
- Operation
- Air carrier
- Aircraft
- N958NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31203
- Aircraft time
- 35,278 hours, 14,809 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Crossbeam
- Part number
- 143A524035SD
- Condition
- Cracked
- Location
- Zone 100
- 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.