What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSOIN ON AFT PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 947.5 AND STA 967 AT LBL 52. REPLACED INTERCOSTAL PER SRM 53-70-51-2R-5.
- Difficulty date
- April 2, 2026
- Submitted
- April 13, 2026
- Operation
- Air carrier
- Aircraft
- N992AN
- Make and model
- Boeing 737823
- Aircraft serial
- 31071
- Aircraft time
- 49,332 hours, 21,012 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A566021
- 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.