What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 947 TO BS 967 AT RBL 50. REPLACED INTERCOSTAL PER AARD 51-00-05-1.
- Difficulty date
- March 20, 2025
- Submitted
- April 2, 2025
- Operation
- Air carrier
- Aircraft
- N923NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31167
- Aircraft time
- 35,203 hours, 15,130 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A5660U22
- 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.