What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL LOCATED FROM BS 947 TO BS 986.5 AT RBL 50. REPLACED INTERCOSTAL PER AARD 51-00-05-1.
- Difficulty date
- September 3, 2025
- Submitted
- September 14, 2025
- Operation
- Air carrier
- Aircraft
- N937NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31178
- Aircraft time
- 35,103 hours, 15,313 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- 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.