# SDR AALA202608261303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 50,197 hours, 21,258 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501Y188
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202608261303

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: RIGHT TRANSITION PANEL HAS EXFOLIATION CORROSION BETWEEN STATION 500A TO 500L, RIGHT BUTT LINE 24. MAINTENANCE INSTALLED NEW RIGHT TRANSITION PANEL PER IPC 53-42-11-11 AND AARD 51-00-05-1 AND BOEING DRAWING #143A7500 NOTE: REPAIRS FOR NR'S #495, 500, 503, 506, 509.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.