What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 380 TO BS 400, AT LBL 0. REPLACED INTERCOSTAL PER AARD 51-00-05-01.
- Difficulty date
- January 11, 2026
- Submitted
- January 15, 2026
- Operation
- Air carrier
- Aircraft
- N949NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31192
- Aircraft time
- 34,250 hours, 14,213 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143A5410170
- 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.