What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 950 TO BS 962 AT RBL 25. REPLACED INTERCOSTAL PER AARD 52-00-05-1.
- Difficulty date
- July 11, 2025
- Submitted
- August 5, 2025
- Operation
- Air carrier
- Aircraft
- N974AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30098
- Aircraft time
- 67,504 hours, 28,684 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 147A5660U3
- 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.