What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL AT BS 302 AND LBL 13. REPLACED INTERCOSTAL PER AARD 51-00-05-1.
- Difficulty date
- March 21, 2026
- Submitted
- April 6, 2026
- Operation
- Air carrier
- Aircraft
- N991AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30920
- Aircraft time
- 49,793 hours, 21,240 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5690
- Condition
- Corroded
- 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.