What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR SUPPORT UPPER SECTION FROM BS 944 TO BS 947, AT LBL 25. REPLACED THE UPPER SECTION PER AARD 51-00-05-1.
- Difficulty date
- November 3, 2025
- Submitted
- January 15, 2026
- Operation
- Air carrier
- Aircraft
- N945NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33233
- Aircraft time
- 34,775 hours, 14,455 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A54307
- Condition
- Corroded
- Location
- Zone 200
- 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.