What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION TO PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN BS 294 AND BS 312 AT LBL 15. REPLACED INTERCOSTAL PER AARD 51-00-05-1.
- Difficulty date
- September 18, 2025
- Submitted
- October 13, 2025
- Operation
- Air carrier
- Aircraft
- N975AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29549
- Aircraft time
- 67,742 hours, 28,771 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5690U1
- 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.