What was found
AIRCRAFT IN BASE MAINTENANCE: EXFOLIATION CORROSION FOUND ON UPPER SURFACE OF INTERCOSTAL AT STA 958 LBL 50. REPLACED INTERCOSTAL IAW AARD 51-00-05-01 AND BOEING DWG 147A5650.
- Difficulty date
- July 17, 2026
- Submitted
- September 1, 2026
- Operation
- Air carrier
- Aircraft
- N903AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29505
- Aircraft time
- 70,975 hours, 29,741 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 147A566021
- Condition
- Corroded
- Location
- Zone 200
- 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.