What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON TOP FACE OF PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL, UNDER LAVATORY MOUNT, AT BS 946, RBL 52. REPLACED INTERCOSTAL PER AARD 51-00-05-1 AND EA 371448.
- Difficulty date
- December 21, 2025
- Submitted
- January 27, 2026
- Operation
- Air carrier
- Aircraft
- N980AN
- Make and model
- Boeing 737823
- Aircraft serial
- 33203
- Aircraft time
- 48,619 hours, 20,788 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 815A900114
- 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.