What was found
AIRCRAFT IN BASE MAINTENANCE: R/H WING, ABOVE AFT END OF ENGINE PYLON, AFT INTERCOSTAL ON UPPER FIXED TRAILING EDGE PANEL CRACKED AT OTBD RIVET. DRILLED AND INSTALLED NEW INTERCOSTAL IAW AARD 51-00-05-1.
- Difficulty date
- September 23, 2026
- Submitted
- October 3, 2026
- Operation
- Air carrier
- Aircraft
- N955NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31199
- Aircraft time
- 35,077 hours, 14,757 cycles
- System (JASC)
- 5720 · Wing Miscellaneous Structure
- Part
- Intercostal
- Part number
- 115A21568
- Condition
- Cracked
- Location
- Zone 600
- 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.